Treated Wastewater Is a Growing Source of Irrigation in Chile’s Arid North

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Water & Sanitation

Alfalfa farmer Dionisio Antiquera stands in front of one of the wastewater treatment ponds at the modernized plant in Cerrillos de Tamaya, a rural community in the Coquimbo region of northern Chile. The thousands of liters captured from the sewers are converted into clear liquid ready for reuse in local small-scale agriculture. CREDIT : Orlando Milesi / IPS

Alfalfa farmer Dionisio Antiquera stands in front of one of the wastewater treatment ponds at the modernized plant in Cerrillos de Tamaya, a rural community in the Coquimbo region of northern Chile. The thousands of liters captured from the sewers are converted into clear liquid ready for reuse in local small-scale agriculture. CREDIT : Orlando Milesi / IPS

COQUIMBO, Chile , Sep 18 2023 (IPS) – The reuse of treated wastewater in vulnerable rural areas of Chile’s arid north is emerging as a new resource for the inhabitants of this long, narrow South American country.

The Coquimbo region, just south of the Atacama Desert, one of the driest in the world, is suffering from a severe drought that has lasted 15 years.

According to data from the Meteorological Directorate, a regional station located in the Andes Mountains measured 30.3 millimeters (mm) of rain per square meter this year as of Sept. 10, compared to 213 mm in all of 2022.

“Rural localities today are already reusing wastewater or gray water. This is going to happen, with or without us, with or without a law. The need for water is so great that the communities are accepting the use of treated wastewater.” — Gerardo Díaz

At another station, in the coastal area, during the same period in 2023, rainfall stood at 10.5 mm compared to the usual level of 83.2 mm.

Faced with this persistent level of drought, vulnerable rural localities in Coquimbo, mostly dedicated to small-scale agriculture, are emerging as a new example of solutions that can be replicated in the country to alleviate water shortages.

The aim is to not waste the water that runs down the drains but to accumulate it in tanks, treat it and then use it to irrigate everything from alfalfa fields to native plants and trees in parks and streets in the localities involved. It is a response to drought and the expansion of the desert.

“We were able to implement five wastewater treatment projects and reuse 9.5 liters per second, which is, according to a comparative value, the consumption of 2,700 people for a year or the water used to irrigate 60 hectares of olive trees,” said Gerardo Díaz, sustainability manager of the non-governmental Fundación Chile.

These five projects, promoted by the Fundación Chile as part of its Water Scenarios 2030 initiative, are financed by the regional government of Coquimbo, which contributed the equivalent of 312,000 dollars. Of this total, 73 percent is dedicated to enabling reuse systems, for which plants in need of upgrading but not reconstruction have been selected.

The common objective of these projects, which together benefit some 6,500 people, is the reuse of wastewater for productive purposes, the replacement of drinking water or the recharge of aquifers.

Díaz told IPS that the amount of reuse obtained is significant because previously this water was discharged into a stream, canal or river where it was perhaps captured downstream.

The Huatulame treatment plant in the rural municipality of Monte Patria in northern Chile is being completely repaired with the support of the local municipality. Waterproof plastic sheeting and boulders have been installed, and in the final stage sawdust and earthworms will be incorporated before receiving wastewater from local households for reuse. CREDIT: Orlando Milesi / IPS

The Huatulame treatment plant in the rural municipality of Monte Patria in northern Chile is being completely repaired with the support of the local municipality. Waterproof plastic sheeting and rocks have been installed, and in the final stage sawdust and earthworms will be incorporated before receiving wastewater from local households for reuse. CREDIT: Orlando Milesi / IPS

A successful pilot experience

In Coquimbo, which has a regional population of some 780,000 people, there are 71 water treatment plants, most of which use activated sludge and almost all of which are linked to the Rural Drinking Water Program (APR) of the state Hydraulic Works Directorate.

Activated sludge systems are biological wastewater treatment processes using microorganisms, which are very sensitive in their operation and maintenance and rural sectors do not have the capacity to maintain them.

“Most of these treatment plants are not operating or are operating inefficiently,” Diaz acknowledged.

But one of the plants, once reconditioned, has served as a model for others since 2018. Its creation allowed Dionisio Antiquera, a 52-year-old agricultural technician, to save his alfalfa crop.

“We have had a water deficit for years. This recycled water really helps us grow our crops on our eight hectares of land,” he said in the middle of his alfalfa field in Cerrillos de Tamaya, one of the Coquimbo municipalities that IPS toured for several days to observe five wastewater reuse projects.

Raúl Ángel Flores stands in his nursery, where the plants and trees are irrigated with recycled water from the Punta Azul project in the town of Villa Puclaro, in Chile's Coquimbo region. All profits from the town's wastewater treatment are reinvested in its maintenance. CREDIT: Orlando Milesi / IPS

Raúl Ángel Flores stands in his nursery, where the plants and trees are irrigated with recycled water from the Punta Azul project in the town of Villa Puclaro, in Chile’s Coquimbo region. All profits from the town’s wastewater treatment are reinvested in its maintenance. CREDIT: Orlando Milesi / IPS

He explained that using just reused water he was able to produce six normal alfalfa harvests per year with a yield per hectare of 100 25-kg bales.

“That’s 4500 to 4800 bales in the annual production season,” he said proudly.

These bales are easily sold in the region because they are cheaper than those of other farmers.

The water he uses comes from an APR plant that has 1065 users, 650 of whom provide water, including Antiquera.

On one side of his alfalfa field is a plant that accumulates the sludge that is dehydrated in pools and drying courts, and on the other side, the water is chlorinated and runs into another pond in its natural state.

“This water works well for alfalfa. It is hard water that has about 1400 parts per million of salt. Then it goes through a reverse osmosis process that removes the salt and the water is suitable for human consumption,” the farmer explained.

In Chile, treated wastewater is not considered fresh water or water that can be used directly by people, and its reuse is only indirect.

Antiquera sold half a hectare to the government to install the plant and in exchange uses the water obtained and contributes 20 percent to the local APR.

He recently extended his alfalfa field to another seven hectares, thanks to his success with treated water.

Deysy Cortés, president of a rural drinking water system in Huatulame, stands in front of the dry riverbed of the town of the same name. Today there is no water in the river, where local residents swam and summer vacationers camped on its banks 15 years ago. CREDIT: Orlando Milesi / IPSDeysy Cortés, president of a rural drinking water system in Huatulame, stands in front of the dry riverbed of the town of the same name. Today there is no water in the river, where local residents swam and summer vacationers camped on its banks 15 years ago. CREDIT: Orlando Milesi / IPS

Deysy Cortés, president of a rural drinking water system in Huatulame, stands in front of the dry riverbed of the town of the same name. Today there is no water in the river, where local residents swam and summer vacationers camped on its banks 15 years ago. CREDIT: Orlando Milesi / IPS

Flowers and trees also benefit

In Villa Puclaro, in the Coquimbo municipality of Vicuña, Raúl Ángel Flores, 55, has an ornamental plant nursery.

“I’ve done really well. My nursery has grown with just reuse water….. I have more than 40,000 ornamental, fruit, native and cactus plants. I deliver to retailers in Vicuña and Coquimbo,” a port city in the region, he told IPS.

The nursery is 850 square meters in size, and has an accumulation pond and pumps to pump the water. He has now rented a 2,500-meter plot of land to expand it.

Flores explained to IPS that he manages the nursery together with his wife, Carolina Cáceres, and despite the fact that they have two daughters and a senior citizen in their care, “we make a living just selling the plants…I even hired an assistant,” he added.

In the southern hemisphere summer he uses between 4,000 and 5,000 liters of water a day for irrigation.

“I have water to spare. Here it could be reused for anything,” he said.

Joining the project made it possible for Flores to make efficient use of water with a business model that in this case incorporates a fee for the water to the plant management, which is equivalent to 62 cents per cubic meter used.

Arnoldo Olivares operates the water treatment and recycling plant in Plan de Hornos, northern Chile. The plant's infrastructure and operation have been upgraded, and it can now deliver water to rural residents to irrigate trees and plants, instead of using potable water. CREDIT: Orlando Milesi / IPS

Arnoldo Olivares operates the water treatment and recycling plant in Plan de Hornos, northern Chile. The plant’s infrastructure and operation have been upgraded, and it can now deliver water to rural residents to irrigate trees and plants, instead of using potable water. CREDIT: Orlando Milesi / IPS

Eliminating odors, and creating new gardens

In the community of Huatulame, in the municipality of Monte Patria, Fundación Chile built an artificial surface wetland to put an end to the bad odors caused by effluents from a deficient waste-eater earthworm vermifilter treatment plant.

“This wetland has brought us peace because the odors have been eliminated. For the past year people have been able to walk along the banks of the old riverbed,” Deysy Cortés, 72, president of the APR, told IPS.

The municipality of Monte Patria is financing the repair of the plant with the equivalent of 100,000 dollars.

“The sprinklers will be changed, the filtering system will be replaced, and sawdust and worms will be added. It will be up and running in a couple of months,” explained agronomist Jorge Núñez, a consultant for Fundación Chile.

As in other renovated plants, safe infiltration of wastewater is ensured while the project simultaneously promotes the protection of nearby wells to provide water to the villagers.

The Huatulame treatment plant in the rural municipality of Monte Patria in northern Chile is being completely repaired with the support of the local municipality. Waterproof plastic sheeting and boulders have been installed, and in the final stage sawdust and earthworms will be incorporated before receiving wastewater from local households for reuse. CREDIT: Orlando Milesi / IPS

The Huatulame treatment plant in the rural municipality of Monte Patria in northern Chile is being completely repaired with the support of the local municipality. Waterproof plastic sheeting and boulders have been installed, and in the final stage sawdust and earthworms will be incorporated before receiving wastewater from local households for reuse. CREDIT: Orlando Milesi / IPS

Cortés warned of serious difficulties if no more rain falls in the rest of 2023, despite the relief provided by the plant for irrigation.

“I foresee a very difficult future if it doesn’t rain. We will go back to what we experienced in 2019 when in every house there were bottles filled with water and a little jug to bathe once a week,” she said.

During a recent crisis, the local APR paid 2500 dollars to bring in water from four 20,000-liter tanker trucks.

In Plan de Hornos, a town in the municipality of Illapel, irrigation technology was installed using reused water instead of drinking water to create a green space for the community to enjoy.

The project included water taps in people’s homes for residents to water trees and flowers.

Arnoldo Olivares, 59, is in charge of the plant, which has 160 members.

“I run both systems,” he told IPS. “I pour drinking water into the pond. After passing through the houses, the water goes into the drainage system, where there is a procedure to reclaim and treat it.”

“This water was lost before, and now we reuse it to irrigate the saplings. We used to work manually, now it is automated. It’s a tremendous change, we’re really happy,” he said.

Antiquera the alfalfa farmer is happy with his success in Cerrillos de Tamaya, but warns that in his area 150 to 160 mm of rainfall per year is normal and so far only 25 mm have fallen in 2023.

“The water crisis forces us to find alternatives and to be 100 percent efficient. Not a drop of water can be wasted. They have forecast very high temperatures for the upcoming (southern hemisphere) summer, which means that plants will require more water in order to thrive,” he said.

Díaz, the sustainability manager of Fundación Chile, said the Coquimbo projects are fully replicable in other water-stressed areas of Chile if a collaborative model is used.

He noted that “in Chile there is no law for the reuse of treated wastewater. There is only a gray water law that was passed years ago, but there are no regulations to implement it.”

He explained, however, that due to the drought, “rural localities today are already reusing wastewater or gray water. This is going to happen, with or without us, with or without a law. The need for water is so great that the communities are accepting the use of treated wastewater.”

The governor of Coquimbo, Krist Naranjo, argued that “a broader vision is needed to value water resources that are essential for life, especially in the context of global climate change.”

“We’re working on different initiatives with different executors, but the essential thing is to value the reuse of graywater recycling,” she told IPS from La Serena, the regional capital.

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Youth Rally for Peace Through Climate Justice at the UN

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Climate Change Justice

Youth rally at the UN for climate justice. Credit: Abigail Van Neely/IPS

Youth rally at the UN for climate justice. Credit: Abigail Van Neely/IPS

UNITED NATIONS, Sep 15 2023 (IPS) – “What do we want? Climate justice! When do we want it? Now!” youth chanted in an unusually lively conference at the United Nations Headquarters.

Earlier on Thursday morning (September 14), almost 500 young people had streamed into the room to a DJ’s upbeat soundtrack. Spirits were high despite the more somber rallying cry of this year’s International Day of Peace youth event: the planet is on fire. Many speakers focused on the idea that there cannot be peace without climate justice.

“We cannot begin to talk about peace without talking about the climate crisis,” environmental justice advocate Saad Amer said after leading the crowd in the kind of chants more likely heard at a protest. Fossil fuel disputes spark wars that disproportionately affect people of color, Amer explained. Youth must take charge to “re-write destiny.”

To 21-year-old Mexican climate justice activist Xiye Bastida, “Peace is the ability to drink clean air and clean water.” Bastida, a member of the Otomi-Toltec indigenous community, spoke of her community’s traditional commitment to living in harmony with the earth. Now, indigenous people are being displaced as regenerative practices are forgotten. Bastida called for a world free of extreme weather and exploitation. The climate crisis reflects a broken system, she said, but peace is the bravery to imagine a better world.

Young people are “creating a youth movement for climate action, seeking racial justice, and promoting gender equality,” the Under-Secretary-General for Global Communications, Melissa Fleming, told the audience. In a recorded statement, Secretary-General Antonio Guterres reiterated that youth action has power. Still, only four governments have concrete plans to include young people in policymaking, Youth Envoy Jayathma Wickramanyake noted.

As she lived through brutal conflicts in her home country of Sri Lanka, Wickramanayake said she wondered why people around her continued to fight. Today, she told other young activists that the root causes of conflict always run deep – from inequality to poverty. She stressed that peace cannot be differentiated from development.

The event occurs days before the Sustainable Development Goal (SDG) Summit, a critical opportunity for world leaders to address failures to implement the goals so far.

“Next week there will be an important breakthrough in creating the conditions to rescue the sustainable development goals. I’m very hopeful that the SDG summit will indeed represent a quantum leap in the response to the dramatic failures that we have witnessed,” Guterres said during a news conference.

Meanwhile, youth are left with memories of their chants: “The oceans are rising, and so are we!” “We are unstoppable – another world is possible!”

IPS UN Bureau Report

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African Startups Mull Home-Grown Solutions to Combat Climate Change

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Innovation

Delegates outside the Climate Action Innovation Hub on the frontlines of the Africa Climate Summit. Credit: Aimable Twahirwa

Delegates outside the Climate Action Innovation Hub on the frontlines of the Africa Climate Summit. Credit: Aimable Twahirwa

NAIROBI, Sep 6 2023 (IPS) – A group of young African startups made their presence known at the Africa Climate Summit in Nairobi, Kenya, hoping to play a big role in promoting home-grown climate-oriented solutions.

In line with the recently adopted African Union Climate Change and Resilient Development Strategy (2022-2032), experts believe that broad-based ownership and inclusive participation are vital for engaging Africa’s women and young people to showcase their ‘game-changing’ innovations.

According to Dr Yossi Matias, Vice-President of the Google Research initiative, pushing for innovative solutions and research around climate change remains critical for Africa when considering that the continent continues to feel the impacts of global warming in many ways.

“Most solutions promoted by African startups and innovators are in danger of being ignored because of many factors, but there is a way to overcome these challenges,” Yossi told IPS.

Among the solutions put forward by young innovators at the Climate Action Innovation Hub, which took place on the sidelines of the summit, were clean energy, climate-smart agriculture and sustainable land management, biodiversity conservation, water storage and conservation, waste management, and circular economy.

The innovations can also enhance the key cross-cutting areas needed to amplify climate cooperation and action, including climate advocacy, empowerment, awareness raising, capacity building, and climate literacy.

Other key areas of innovation are green transport and climate-resilient infrastructure, resilient, climate-smart cities, digital transformation, and food security.

The latest estimates by the UN agencies show that changing precipitation patterns, rising temperatures, and more extreme weather contributed to mounting food insecurity, poverty, and displacement in Africa.

Official figures show that food insecurity increases by 5–20 percentage points with each flood or drought in sub-Saharan Africa

While African Governments are committed to supporting climate solution innovation to varying levels and with different approaches to tackle this phenomenon, some experts believe that what is needed is to encourage a growing number of African startups to shift in mindset—by becoming providers of solutions to improving the continental climate change resilience.

“What is needed for these young African innovators is to look for mentors and incubators because, as an entrepreneur, you need to learn how to develop a successful product that brings some short-term and long-term positive benefits to combat climate change in your community,” Yossi said.

Through its Accelerator programs, the Google Research initiative currently seeks to empower startups, developers, and nonprofits, especially in Africa, to better solve the world’s biggest challenges — from economic development, diversity, sustainability, and climate change — relying on its technology.

For example, one of the initiatives presented at the summit seeks to produce plastic waste collected from local communities in the Rwandan capital Kigali where a startup is producing handcrafts from plastic waste collected in the city.

Sonia Umulinga, a young Rwandan female entrepreneur and owner of ‘Plastic Craft’, a company that seeks to tackle the problem of plastic pollution, told IPS that key priority had been given not only to help reduce plastic pollution but also to her new business model in using the collected waste to produce unique products on the markets.

Harsen Nyambe Nyambe, Director, Sustainable Environment and Blue Economy, African Union Commission, told delegates that the current situation where the lack of ownership over innovations, coupled with a whole narrative built around imported solutions, constitutes a major challenge for the continent to combat climate change.

“Africa needs to redefine on how to engage of the issue of climate change, and countries need to work together to find possible innovative solutions to the challenges they are facing,” he said.

While some officials and experts cite innovation as an important driver of growth and the fight against hunger and malnutrition, which continue to affect major parts of the African continent, others believe there is a need for these African startup entrepreneurs to test and refine these ideas for the benefit of their community.

Current efforts for Africa’s transformation emphasize switching agriculture from subsistence to commercial, which means producing a surplus for the markets and making agriculture become a business while relying on home-grown innovative ideas.

Prof Kindiwe Sibanda, system Board Chair at the Consultative Group for International Agricultural Research (CGIAR), pointed out that the startup initiative is critical for the African Agriculture sector to expedite the production of food.

“We should not give up because we need these startup home-grown solutions to help small-scale farmers meet their needs,” she told delegates.

However, some small-scale farmers and pastoralists believe that indigenous innovation also constitutes another driver for innovation in African Agricultural systems considering that climate change impacts are stalling progress towards food security on the continent.

Tumal Orto, a livestock breeds farmer from Marsabit County in Northern Kenya, told IPS that weaving indigenous knowledge with scientific research remains critical.

“Small-scale farmers are also innovators in their own ways using local ingenuity in their practices,” he said.

However, most experts at the innovation hub on the sidelines of the Africa Climate Summit (ACS) in Nairobi were unanimous that more productive and resilient solutions to combat climate change in Africa will still require a major shift in the way various resources are managed.

IPS UN Bureau Report

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Toothless Global Financial Architecture Fuelling Africa’s Climate Crisis

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Climate Change Justice

Africa needs approximately USD 579.2 billion in adaptation finance over the period 2020 to 2030, and yet the current adaptation flows are five to 10 times below estimated needs.
 

This goat died of starvation while surrounded by an inedible invasive plant. Lives hang in the balance as Kenya’s dryland is ravaged by a severe prolonged drought. Credit: Joyce Chimbi/IPS

This goat died of starvation while surrounded by an inedible invasive plant. Lives hang in the balance as Kenya’s dryland is ravaged by a severe prolonged drought. Credit: Joyce Chimbi/IPS

NAIROBI, Sep 5 2023 (IPS) – As thousands convene in Kenya’s capital, Nairobi, for the Africa Climate Summit, the first time the African Union has summoned its leaders to solely discuss climate change under the theme ‘Driving Green Growth and Climate Finance Solutions for Africa and the World’, the backdrop is a country on the frontlines of a climate crisis.

The severe, sharp effects of climate change are piercing the very heart of an economy propped up by rainfed agriculture and tourism – sectors highly susceptible to climate change. After five consecutive failed rainy seasons, more than 6.4 million people in Kenya, among them 602,000 refugees, need humanitarian assistance – representing a 35 per cent increase from 2022.

It is the highest number of people in need of aid in more than ten years, says Ann Rose Achieng, a Nairobi-based climate activist. She tells IPS that Kenya is hurtling full speed towards a national disaster in food security as “at least 677,900 children and 138,800 pregnant and breastfeeding women in Kenya’s arid and semi-arid regions alone are facing acute malnutrition. Nearly 70 per cent of our wildlife was lost in the last 30 years.”

Despite Kenya contributing less than 0.1 per cent of the global greenhouse gas emissions per year, the country’s pursuit of a low carbon and resilient green development pathway produced a most ambitious Nationally Determined Contribution (NDC) to cut greenhouse gasses by 32 per cent by 2030 in line with the Paris Agreement.

But as is the case across Africa, there are no funds to actualise these lofty ambitions. Africa needs approximately USD 579.2 billion in adaptation finance over the period 2020 to 2030, and yet the current adaptation flows to the continent are five to ten times below estimated needs. Globally, the estimated gap for adaptation in developing countries is expected to rise to USD 340 billion per year by 2030 and up to USD 565 billion by 2050, while the mitigation gap is at USD 850 billion per year by 2030.

After five consecutive failed rainy seasons, food insecurity is expected to escalate as maize crop has failed to flourish due to erratic weather patterns. Credit: Joyce Chimbi/IPS

After five consecutive failed rainy seasons, food insecurity is expected to escalate as maize crop has failed to flourish due to erratic weather patterns. Credit: Joyce Chimbi/IPS

As dams and rivers dry up, Kenya will continue to be on the frontlines of a climate crisis unless climate change adaptation and mitigation efforts are escalated. Credit: Joyce Chimbi/IPS

As dams and rivers dry up, Kenya will continue to be on the frontlines of a climate crisis unless climate change adaptation and mitigation efforts are escalated. Credit: Joyce Chimbi/IPS

Frederick Kwame Kumah, Vice President of Global Leadership African Wildlife Foundation, tells IPS a big part of the problem is Africa’s burgeoning gross public debt which increased from 36 per cent of Gross Domestic Product (GDP) to 71.4 per cent of GDP between 2010 and 2020 – a drag on its development progress and a disincentive for climate finance flows.

“There is a concern that climate finance, if and when provided, will be used to first service Africa’s debt burden. The first step to addressing Africa’s Climate Finance must be action towards debt relief for Africa. Freeing up debt servicing arrangements will release resources for continued development and climate finance purposes,” Kumah explains.

He says there is an urgent need to challenge the existing unfair paradigm for financing by developing countries. It is very expensive for developing countries to borrow for development purposes. Africa must then leverage its natural capital towards seeking innovative financing mechanisms such as green bonds and carbon credits to address its development and climate change challenges.

Nearly half, 23 out of 47 counties in Kenya, are classified as arid and semi-arid. Livelihoods are at risk as pastoralists are unable to cope with drastic weather changes. Credit: Joyce Chimbi/IPS

Nearly half, 23 out of 47 counties in Kenya, are classified as arid and semi-arid. Livelihoods are at risk as pastoralists are unable to cope with drastic weather changes. Credit: Joyce Chimbi/IPS

This waterfall is on the verge of drying up. Kenya's economy is heavily dependent on tourism and agriculture. The two sectors are highly susceptible to climate change. Credit: Joyce Chimbi/IPS

This waterfall is on the verge of drying up. Kenya’s economy is heavily dependent on tourism and agriculture. The two sectors are highly susceptible to climate change. Credit: Joyce Chimbi/IPS

“Climate finance was, as expected, a key part of COP27. It is a grave concern for Africa that developed countries’ commitment to provide $100 billion annually has yet to be met, even though the need for finance is becoming increasingly obvious. In COP27, we noted that new climate finance pledges were more limited than expected. Countries such as those in Africa are still waiting for previous pledges to be fulfilled,” says Luther Bois Anukur, Regional Director, IUCN (International Union for Conservation of Nature).

Meanwhile, Anukur tells IPS negotiations on important agenda items, most notably the new finance target for 2025, stalled. In COP27, Parties concentrated on procedural issues – deferring important decisions about the amount, timeframe, sources, and accountability mechanisms that may be relevant to a new finance goal in the future. African countries and many other vulnerable countries are in the fight for our lives, and sadly they are losing.

Anukur stresses that Africa’s natural resources are depleted, eroded, and biodiversity lost due to extreme effects of climate change leading to loss of lives and ecosystem services and damage to infrastructure at an alarming rate. Yet climate finance pledges have not materialised. The Africa Climate Summit should be the platform for Africa and developing partners to address existing finance gaps with clear programmatic and project approaches.

Africa must use the Summit to assess and prepare their position for the COP28 in the United Arab Emirates towards strengthening partnerships for the delivery of desired climate finance. Kumah adds that the principle of equal but differentiated responsibilities of nations must be adhered to for climate justice and to enable developing countries, who are least responsible for the effects of climate, to have much-needed resources to cope and adapt to biodiversity loss and climate change.

“In that respect, the creation of a dedicated funding mechanism to address loss and damage and another for adaptation and mitigation to redress historical and continued inequities in contributions towards biodiversity loss and climate change. We must rethink how private investments can be reshaped and harnessed for the benefit of biodiversity and climate action,” Kumah expounds.

“Private investments can be scaled through green bonds, carbon markets, sustainable agricultural, forestry and other productive sector supply chains.  Transformative financing architecture is necessary at the domestic and international levels to bring the private and public sectors together to secure the critical backbone of Africa’s natural infrastructure.”

Climate finance gap. Graphic: Joyce Chimbi & Cecilia Russell

Climate finance gap. Graphic: Joyce Chimbi & Cecilia Russell

While developing countries submitted revised and ambitious National Adaptation Plans and NDCs as requested, Anukur says complicated processes to access financing for their climate actions persist. Stressing the need for reforming the international financial architecture, starting with multilateral development banks.

“The 2023 Summit for New Global Financing Pact held in Paris committed to a coalition of 16 philanthropic organizations to mobilize investment and support UN’s SDG priorities by unlocking new investment for climate action in low- and middle-income countries while reducing poverty and inequality,” Anukur observes.

Civil society organizations and activists such as Achieng have expressed concerns that such announcements are insufficient considering the scale of the challenges facing planet Earth. The Summit will have failed if the global financial architecture is not overhauled in line with the needs of the African continent, she says.

Anukur says the Summit must therefore propel Africa to new heights of climate financing to help reduce Africa’s vulnerability to climate change and increase its resilience and adaptive capacity in line with the Global Goal on Adaptation. Ultimately expressing optimism that the opportunity to unlock the potential of climate financing – breaking the shackles of debt and building a climate-resilient and prosperous Africa is, at last, in sight.

IPS UN Bureau Report

 

Biodiversity Credits: Solution or Empty Promise for Latin America?

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Climate Change Finance

In the Bosque de Niebla, located in the department of Antioquia in northwestern Colombia, biodiversity bonds have emerged to push for protection of the ecosystem from threats such as deforestation and rising temperatures. But these instruments are still very green in Latin America. CREDIT: Courtesy of Terraso - Unlike offsets for environmental damage due to infrastructure projects, biodiversity credits are an economic instrument that can be used to finance actions that result in measurable positive outcomes through the issuance and sale of biodiversity units

In the Bosque de Niebla, located in the department of Antioquia in northwestern Colombia, biodiversity bonds have emerged to push for protection of the ecosystem from threats such as deforestation and rising temperatures. But these instruments are still very green in Latin America. CREDIT: Courtesy of Terraso

MEXICO CITY, Aug 28 2023 (IPS) – Located in northwestern Colombia, the Bosque de Niebla is home to 154 species of plants, 120 bird species, 21 species of mammals, 16 water springs and five hectares of wetlands.

Forming part of the Cuchilla Jardín-Támesis Integrated Management District in the department of Antioquia, the ecosystem provides water and climate regulation to the entire northwestern region of the country.

“Not all ecosystem services are the same, it has to be a very judicious system. And there have to be local regulations, from green taxonomies (classification of activities) to regulations. Therein lies the dilemma of where the sector has to go.” — Lía González

For this reason, an innovative financing scheme, biodiversity bonds, seeks to strengthen the protection of this area for 30 years, in the face of threats such as deforestation, drought and rising temperatures due to the climate crisis.

Private Colombian investor Terraso and Spanish carbon offset seller ClimateTrade, a climate solutions company that utilizes blockchain technology to facilitate large-scale decarbonization efforts through innovation, created voluntary biodiversity bonds for the Bosque de Niebla in May 2022.

The aim is to care for 340 hectares registered as a habitat bank by the Ministry of Environment and Sustainable Development of Colombia, one of the 10 most biologically diverse countries in the world.

Habitat banks are areas where conservation initiatives are aggregated and ecosystem preservation, enhancement or restoration actions are implemented to generate quantifiable biodiversity gains.

Each biodiversity credit represents 10 square meters of threatened, conserved or restored land. Technical, financial and legal guarantees will sustain the project for at least 30 years. Each bond, worth 30 dollars, corresponds to 30 years of conservation and/or restoration.

But the scheme raises concerns about the commercialization of wildlife and the pursuit of profit over ecological benefits.

Patricia Balvanera, an academic at the Institute for Research on Ecosystems and Sustainability of the public National Autonomous University of Mexico, said the financial market approach does not address the full spectrum of environmental, cultural and social issues, which can cloud the vision of the integral importance of nature.

“Other non-integrated values have to do with social, ethical principles that have developed around nature. We have bought ourselves an image as a factory of resources at the service of people and we have discarded the role of nature and society through a relationship of care and reciprocity,” she told IPS from the northern Mexican city of San Luis Potosí.

The expert is co-author of the study “Diverse values of nature for sustainability”, published on Aug. 9, which addresses a more holistic view of care.

Unlike offsets for environmental damage due to infrastructure projects, biodiversity credits are an economic instrument that can be used to finance actions that result in measurable positive outcomes through the issuance and sale of biodiversity units.

The buyers of biodiversity bonds gain in reputational aspects, by promoting the restoration and protection of ecosystems, and obtain funds by reselling the bonds, as it is a voluntary market.

These are different from carbon credits, where companies and individuals can buy the reduced emissions credits in what is known as the voluntary carbon market, to offset their polluting emissions: each one represents the elimination of one metric ton of carbon from the atmosphere.

For the carbon dioxide equivalent trapped and stored in ecosystems such as forests, project owners can issue certificates for sale in national and international markets to national and international corporations and individuals who want to reduce their polluting emissions.

Mangroves, such as these in the municipality of Paraíso in the southeastern Mexican state of Tabasco, are candidates for biodiversity bonds because of the services they provide and the need to protect them, like other ecosystems. But these credits still need international standards, verification and monitoring guidelines, as well as tangible results. CREDIT: Emilio Godoy / IPS - Unlike offsets for environmental damage due to infrastructure projects, biodiversity credits are an economic instrument that can be used to finance actions that result in measurable positive outcomes through the issuance and sale of biodiversity units

Mangroves, such as these in the municipality of Paraíso in the southeastern Mexican state of Tabasco, are candidates for biodiversity bonds because of the services they provide and the need to protect them, like other ecosystems. But these credits still need international standards, verification and monitoring guidelines, as well as tangible results. CREDIT: Emilio Godoy / IPS

On hold

In Honduras, a project similar to the Colombian one is advancing in Cusuco National Park, in the northwestern department of Cortés.

In the 22,200-hectare forest, decreed in 1987, the international alliance of environmental organizations rePlanet seeks the conservation of 1,883 hectares in 25 years in the face of threats such as deforestation and the risk to 24 species.

The project could issue bonds this year.

Lía González, director for Latin America of the Belgian social impact investment firm Incofin, said the instrument involves several challenges, such as monetization, assigning value to the blocks of land, the creation of standards for measurement, verification, monitoring and issuance, as well as the involvement of the communities.

“Not all ecosystem services are the same, it has to be a very judicious system. And there have to be local regulations, from green taxonomies (classification of activities) to regulations. Therein lies the dilemma of where the sector has to go,” she told IPS from Bogotá.

The executive stressed that the scheme should avoid the carbon credits model and learn from its mistakes, such as inaccurate calculation of carbon sequestration and violations of community rights.

In 2022, Incofin’s portfolio covered 111 clients in 14 Latin American countries for a total of 400 million dollars in segments such as sustainable agriculture and microfinance. In Colombia, it supported eight clients and totaled 44.3 million dollars.

The company focuses on medium-term investments, so that beneficiaries have an additional source of income within the area being protected or restored.

So far, so-called green bonds have fallen short in financing for the conservation of natural wealth and sustainable land use, according to a 2020 report by the Luxembourg Green Exchange and the Global Landscapes Forum, entitled: “How can Green Bonds catalyse investments in biodiversity and sustainable land-use projects?”

Colombia and Honduras are the countries that have moved forward with these instruments, because they have regulations and several financial instruments related to biodiversity, although bonds are still a rarity.

In this regard, the Organisation for Economic Co-operation and Development (OECD), which groups the world’s 38 most developed economies, noted in its 2021 report “Tracking Economic Instruments and Finance for Biodiversity” that, despite the progress made, the substantial potential depends on increasing the use and ambition of biodiversity-relevant economic instruments.

In its Sixth National Biodiversity Report 2020, Honduras recognized the need to improve the monetary and non-monetary valuation of environmental services.

Financing schemes are essential to the development of the United Nations Decade on Ecosystem Restoration 2021-2030, adopted by the U.N. General Assembly in 2019, which seeks to prevent, halt and reverse the degradation of terrestrial and marine ecosystems, to eradicate poverty, combat climate change and prevent the mass extinction of species.

Moving towards a take-off?

In order for it to be successful, the mechanism requires integrity of the projects and the inclusion of all stakeholders, according to the World Economic Forum, dedicated to multinational business lobbying.

The Colombian Bosque de Niebla initiative has already placed 62,063 credits and has 61,773 available.

The investor Terraso has seven other habitat banks in various areas of Colombia that could generate more bonds.

Balvanera warned of perverse incentives that could undermine protection.

“If we think about financial schemes, the link should not only be transactional. There must be involvement of different stakeholders who collectively identify the mechanism that promotes conservation, respects the vision of care and maintains the livelihoods of the inhabitants of these areas,” she said.

The academic argued that “this generates a circular system that connects forest protection, water care, food production and sustainable consumption.”

For her part, González was open to analyzing these investments.

“Water could be a viable focus for climate resilience and its impact on the region’s climate. We are interested in learning about monetization and that additional sources of income can benefit protection processes, so that it is complementary to what we do,” she said.

Last December, the 15th Conference of the Parties (COP15) to the Convention on Biological Diversity (CBD) adopted the Kunming-Montreal Global Biodiversity Framework, which includes cumulative biodiversity funding of at least 200 billion dollars by 2030 from public and private sources.

One of its goals is to encourage innovative schemes such as payment for environmental services, green bonds, offsets, biodiversity credits and benefit-sharing mechanisms that include environmental and social safeguards.

To meet these objectives, the 196 States Parties to the CBD created the Global Biodiversity Framework Fund, which is managed by the Global Environment Facility and whose governing council was approved in June in Brazil.

In addition, the agreement includes the complete or partial restoration of at least 30 percent of degraded terrestrial and marine ecosystems by 2030, as well as the reduction of the loss of areas of high biological importance to almost zero.

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Biodigesters Light Up Clean Energy Stoves in Rural El Salvador

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Marisol and Misael Menjívar pose next to the biodigester installed in March in the backyard of their home in El Corozal, a rural settlement located near Suchitoto in central El Salvador. With a biotoilet and stove, the couple produces biogas for cooking from feces, which saves them money. The biotoilet can be seen in the background. CREDIT: Edgardo Ayala / IPS

Marisol and Misael Menjívar pose next to the biodigester installed in March in the backyard of their home in El Corozal, a rural settlement located near Suchitoto in central El Salvador. With a biotoilet and stove, the couple produces biogas for cooking from feces, which saves them money. The biotoilet can be seen in the background. CREDIT: Edgardo Ayala / IPS

By Edgardo Ayala
SUCHITOTO, El Salvador , Jul 25 2023 (IPS)

A new technology that has arrived in rural villages in El Salvador makes it possible for small farming families to generate biogas with their feces and use it for cooking – something that at first sounded to them like science fiction and also a bit smelly.

In the countryside, composting latrines, which separate urine from feces to produce organic fertilizer, are very popular. But can they really produce gas for cooking?

“It seemed incredible to me,” Marisol Menjívar told IPS as she explained how her biodigester, which is part of a system that includes a toilet and a stove, was installed in the backyard of her house in the village of El Corozal, near Suchitoto, a municipality in the central Salvadoran department of Cuscatlán.”When the first ones were installed here, I was excited to see that they had stoves hooked up, and I asked if I could have one too.” — Marisol Menjívar

“When the first ones were installed here, I was excited to see that they had stoves hooked up, and I asked if I could have one too,” added Marisol, 48. Hers was installed in March.

El Corozal, population 200, is one of eight rural settlements that make up the Laura López Rural Water and Sanitation Association (Arall), a community organization responsible for providing water to 465 local families.

The families in the small villages, who are dedicated to the cultivation of corn and beans, had to flee the region during the country’s 1980-1992 civil war, due to the fighting.

After the armed conflict, they returned to rebuild their lives and work collectively to provide basic services, especially drinking water, as have many other community organizations, in the absence of government coverage.

In this Central American country of 6.7 million inhabitants, 78.4 percent of rural households have access to piped water, while 10.8 percent are supplied by wells and 10.7 percent by other means.

With small stoves like this one, a score of families in El Corozal in central El Salvador cook their food with biogas they produce themselves, thanks to a government program that has brought clean energy technology to these remote rural villages. CREDIT: Edgardo Ayala / IPS

With small stoves like this one, a score of families in El Corozal in central El Salvador cook their food with biogas they produce themselves, thanks to a government program that has brought clean energy technology to these remote rural villages. CREDIT: Edgardo Ayala / IPS

Simple green technology

The biodigester program in rural areas is being promoted by the Salvadoran Water Authority (Asa).

Since November 2022, the government agency has installed around 500 of these systems free of charge in several villages around the country.

The aim is to enable small farmers to produce sustainable energy, biogas at no cost, which boosts their income and living standards, while at the same time improving the environment.

The program provides each family with a kit that includes a biodigester, a biotoilet, and a small one-burner stove.

In El Corozal, five of these kits were installed by Asa in November 2022, to see if people would accept them or not. To date, 21 have been delivered, and there is a waiting list for more.

In El Corozal, a rural settlement in the municipality of Suchitoto in central El Salvador, the technology of family biodigesters arrived at the end of last year, and some families are now producing biogas to light up their stoves and cook their food at no cost. CREDIT: Edgardo Ayala / IPS

In El Corozal, a rural settlement in the municipality of Suchitoto in central El Salvador, the technology of family biodigesters arrived at the end of last year, and some families are now producing biogas to light up their stoves and cook their food at no cost. CREDIT: Edgardo Ayala / IPS

“With the first ones were set up, the idea was for people to see how they worked, because there was a lot of ignorance and even fear,” Arall’s president, Enrique Menjívar, told IPS.

In El Corozal there are many families with the surname Menjívar, because of the tradition of close relatives putting down roots in the same place.

“Here we’re almost all related,” Enrique added.

The biodigester is a hermetically sealed polyethylene bag, 2.10 meters long, 1.15 meters wide and 1.30 meters high, inside which bacteria decompose feces or other organic materials.

This process generates biogas, clean energy that is used to fuel the stoves.

The toilets are mounted on a one-meter-high cement slab in latrines in the backyard. They are made of porcelain and have a handle on one side that opens and closes the stool inlet hole.

One of the main advantages that family biodigesters have brought to the inhabitants of El Corozal, a small village in the Salvadoran department of Cuscatlán, is that the whole process begins with clean, hygienic toilets, like this one set up in Marleni Menjívar's backyard, as opposed to the older dry composting latrines, which drew flies and cockroaches. To the left of the toilet is the small handle used to pump water to flush the feces into the biodigester. CREDIT: Edgardo Ayala / IPS

One of the main advantages that family biodigesters have brought to the inhabitants of El Corozal, a small village in the Salvadoran department of Cuscatlán, is that the whole process begins with clean, hygienic toilets, like this one set up in Marleni Menjívar’s backyard, as opposed to the older dry composting latrines, which drew flies and cockroaches. To the left of the toilet is the small handle used to pump water to flush the feces into the biodigester. CREDIT: Edgardo Ayala / IPS

They also have a small hand pump, similar to the ones used to inflate bicycle tires, and when the handle is pushed, water is pumped from a bucket to flush the waste down the pipe.

The underground pipe carries the biomass by gravity to the biodigester, located about five meters away.

The system can also be fed with organic waste, by means of a tube with a hole at one end, which must be opened and closed.

Once it has been produced, the biogas is piped through a metal tube to the small stove mounted inside the house.

“I don’t even use matches, I just turn the knob and it lights up,” said Marisol, a homemaker and caregiver. Her husband Manuel Menjívar is a subsistence farmer, and they have a young daughter.

In El Corozal, biodigesters have been installed for families of four or five members, and the equipment generates 300 liters of biogas during the night, enough to use for two hours a day, according to the technical specifications of Coenergy, the company that imports and markets the devices.

But there are also kits that are used by two related families who live next to each other and share the equipment, which includes, in addition to the toilet, a larger biodigester and a two-burner stove.

With more sophisticated equipment, electricity could be generated from biogas produced from landfill waste or farm manure, although this is not yet being done in El Salvador.

Marleni Menjivar gets ready to heat water on her ecological stove, watched closely by her four-year-old daughter, in El Corozal in central El Salvador, where an innovative government program to produce biogas has arrived. With this technology, people save money by buying less liquefied gas while benefiting the environment. CREDIT: Edgardo Ayala / IPS

Marleni Menjivar gets ready to heat water on her ecological stove, watched closely by her four-year-old daughter, in El Corozal in central El Salvador, where an innovative government program to produce biogas has arrived. With this technology, people save money by buying less liquefied gas while benefiting the environment. CREDIT: Edgardo Ayala / IPS

Saving money while caring for the environment

The families of El Corozal who have the new latrines and stoves are happy with the results.

What they value the most is saving money by cooking with gas produced by themselves, at no cost.

They used to cook on wood-burning stoves, in the case of food that took longer to make, or on liquefied gas stoves, at a cost of 13 dollars per gas cylinder.

Marleni Menjívar, for example, used two cylinders a month, mainly because of the high level of consumption demanded by the family business of making artisanal cheeses, including a very popular local kind of cottage cheese.

Every day she has to cook 23 liters of whey, the liquid left after milk has been curdled. This consumes the biogas produced overnight.

For meals during the day Marleni still uses the liquefied gas stove, but now she only buys one cylinder a month instead of two, a savings of about 13 dollars per month.

“These savings are important for families here in the countryside,” said Marleni, 28, the mother of a four-year-old girl. The rest of her family is made up of her brother and grandfather.

“We also save water,” she added.

The biotoilet requires only 1.2 liters of water per flush, less than conventional toilets.

In addition, the soils are protected from contamination by septic tank latrines, which are widely used in rural areas, but are leaky and unhygienic.

The new technology avoids these problems.

The liquids resulting from the decomposition process flow through an underground pipe into a pit that functions as a filter, with several layers of gravel and sand. This prevents pollution of the soil and aquifers.

Also, as a by-product of the decomposition process, organic liquid fertilizer is produced for use on crops.

Most families in the rural community of El Corozal have benefited from one-burner stoves that run on biogas produced in family biodigesters. Larger two-burner stoves are also shared by two related families, where they cook on a griddle one of the favorite dishes of Salvadorans: pupusas, corn flour tortillas filled with beans, cheese and pork, among other ingredients. CREDIT: Coenergy El Salvador

Most families in the rural community of El Corozal have benefited from one-burner stoves that run on biogas produced in family biodigesters. Larger two-burner stoves are also shared by two related families, where they cook on a griddle one of the favorite dishes of Salvadorans: pupusas, corn flour tortillas filled with beans, cheese and pork, among other ingredients. CREDIT: Coenergy El Salvador

Checking on site: zero stench

Due to a lack of information, people were initially concerned that if the biogas used in the stoves came from the decomposition of the family’s feces, it would probably stink.

And, worst of all, perhaps the food would also smell.

But little by little these doubts and fears faded away as families saw how the first devices worked.

“That was the first thing they asked, if the gas smelled bad, or if what we were cooking smelled bad,” said Marleni, remembering how the neighbors came to her house to check for themselves when she got the latrine and stove installed in December 2022.

“That was because of the little information that was available, but then we found that this was not the case, our doubts were cleared up and we saw there were no odors,” she added.

She said that, like almost everyone in the village, her family used to have a dry composting toilet, but it stank and generated cockroaches and flies.

“All that has been eliminated, the bathrooms are completely hygienic and clean, and we even had them tiled to make them look nicer,” Marleni said.

She remarked that hygiene is important to her, as her little girl can now go to the bathroom by herself, without worrying about cockroaches and flies.

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