Air Quality Sensors Boosting Nairobi’s Fight Against Air Pollution

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Environment

A mother and her children are seen wading through a cloud of smoke at the Dandora dumpsite, Kenya's largest open landfill. Smoke emanating from the dumpsite is cited as a contributor to air pollution in Nairobi. Credit: Jackson Okata/IPS

A mother and her children are seen wading through a cloud of smoke at the Dandora dumpsite, Kenya’s largest open landfill. Smoke emanating from the dumpsite is cited as a contributor to air pollution in Nairobi. Credit: Jackson Okata/IPS

NAIROBI, Feb 29 2024 (IPS) – Deborah Adhiambo (43) has been battling mild asthma since 2022, a condition she describes as “both a health and economic burden.’’ The mother of three lives within Dandora Estate, nine miles east of Kenya’s capital, Nairobi. Dandora is home to Kenya’s largest open landfill, which receives more than 2,000 metric tonnes of waste daily.

For five years, Adhiambo operated a makeshift restaurant near the dumpsite, where her main clients were waste pickers working within its environs.

“Working near the dumpsite exposed me to the heavy smoke that billows from the dumpsite. I started developing chest pains gradually and would take painkillers to subdue the pain. It was later that I was diagnosed with asthma,’’ Adhiambo told IPS.

Adhiambo’s doctors told her that prolonged and constant exposure to toxic fumes was the root cause of her asthma. She was forced to close her business since she could not venture out of her house early in the morning, late in the evenings or during cold seasons.

“The closure of my business due to sickness crippled me economically as it was my only source of income. Getting medication and feeding my family has been hard because now I have to rely on my husband, who also works at the dumpsite,” she says.

Nairobi’s Air Quality

More than 70 percent of Nairobi’s 5.3 million residents live in informal settlements like Dandora, which analysts say have the worst air quality, with vulnerable populations, particularly women and children, bearing the brunt of polluted air. Vehicles, open burning of waste, and industrial emissions are cited as the major sources of air pollutants in Nairobi. Motor vehicles contribute an estimated 40 percent of Nairobi’s particulate matter (PM2.5) air pollution concentrations, with illegal dumping and open waste burning contributing 25 percent.

And as both the population and economic output of Kenya’s capital keep expanding, the demand for energy from fossil fuels is also on the rise. The rapid expansion of Nairobi has taken an environmental toll on the city, which is evident in the worsening air pollution levels.  Air pollution in Kenya’s capital is 4.2 times higher than the World Health Organization’s (WHO) recommended average annual concentration levels.

According to the World Health Organization, Nairobi’s air pollution is 2.4 times higher than recommended levels, with 19,000 poor air quality deaths being reported in Kenya annually.

Air photo 1- A technician installs a low-cost air quality monitor sensor in Nairobi, Kenya. Air quality monitors are helping Nairobi collect data on air pollution. Credit: Jackson Okata/IPS

A technician installs a low-cost air quality monitor sensor in Nairobi, Kenya. Air quality monitors are helping Nairobi collect data on air pollution. Credit: Jackson Okata/IPS

Tech and Data

To enhance her efforts in combating air pollution, the City of Nairobi has been incorporating the use of technology. The city management has been installing low-cost air quality monitors and sensors to gather and share data on the levels of air pollution trends across the city. The data collected is then analyzed and guided in the formulation of policies and legal frameworks to combat air pollution, even as East Africa’s economic giant works towards realizing her ambitious target of becoming a net-zero green city by 2030.

Dubbed AirQo monitors, the low-cost air quality sensors developed by a team of young engineering and computer science students at Uganda’s Makerere University are in use in eight countries, including Kenya.

Engineer Bainomugisha, an Associate Professor of Computer Science at Makerere University and lead developer of the AirQo monitoring system, says Sub-Saharan Africa lacks usable air quality data that can help in the formulation of proper and effective policies to combat air pollution. AirQo monitors collect information about air pollution levels, types of air pollutants, and air quality

Bainomugisha explains that the air quality monitors main aim is to “close the existing gap in air quality monitoring.” AirQo air quality monitors collect air samples, which are then analyzed through a light scattering technology that quantifies the particulate matter concentration.

The information is then relayed to a cloud-based network that determines the pollution levels in a specific area. The devices measure the air particulate matter PM2.5 and PM10, which is a mixture of solid particles in the air. They also capture ambient meteorological conditions such as humidity and atmospheric pressure

“The air quality monitors run on a 2G GSM-enabled network configuration for loT sim cards and are optimized to work in areas with unstable internet and power connectivity,” says Gideon Lubisia, AirQo’s international operations embedded systems and network support engineer.

AirQo has also developed a mobile app that allows people to receive periodic and real-time updates on the air quality in their city.  The monitors are mounted at strategic points within the city’s Central Business District, industrial areas, markets, along major city highways and in select residential areas. while others are mounted on motorbikes that move from one location to another, collecting data.

Data and Policy Formulation

With the monitors in place, Nairobi City has been able to develop two air quality collocation installations and infrastructure reference grade monitors, according to Nairobi City County Deputy Director in Charge of Air Quality and Climate Maurice Kavai.

“The one-stop center collocation enables our research teams to compare air quality data collected from various points within the city, which is key in developing appropriate action,” Kivai explained.

“The availability of periodic data collected by the monitors enables the city to establish the extent of pollution in particular areas, identify the causes, and develop necessary actions,” he said.

Through air quality data collected through the monitors and establishing the extent of air pollution in the city, Nairobi has been able to develop a city Air Quality Action Plan as well as enact the Nairobi City County Air Quality Act which have become critical policy and legal assets in tackling the problem of air pollution.

AirQo monitors are now in use within select cities in eight African countries, including Uganda, Kenya, Nigeria, Cameroon, Burundi, Ghana, Mozambique, and Senegal.

Global Push for Clean Air

During the Climate and Clean Air Conference(CCAC) 2024 in Nairobi between February 21 and 23, 2024, ahead of the sixth session of the UN Environment Assembly (UNEA-6), member states and partners launched a Clean Air Flagship effort to provide, among other things, data-led policy action towards combating air pollution

Inger Andersen, UNEP’s Executive Director, said, “We need to push harder on superpollutants. Just as you need a superhero to defeat a supervillain, we need super solutions to face down super pollutants. And we need you to mastermind these solutions.”

Speaking on the sidelines of the CCAC, Kenyan environmentalist Elizabeth Wathuti observed that “the very essence of life starts with a breath, a gasp of air that signifies the beginning of our journey on this Earth. Yet, for too many across our globe, this fundamental act of breathing has become a hazard, a risk, and a gamble against the odds of pollution and climate-induced adversities.” According to Wathuti, the commitment to clean air and a stable climate is not just an environmental cause but a fight for the very right to life.

The World Health Organization estimates that 99 percent of the world’s population lives in places with poor air quality, leading to nearly seven million premature deaths per year, primarily in low- and middle-income countries.

According to UNEP, in Africa alone, ambient air pollution caused an estimated 400,000 premature deaths in 2019, while indoor air pollution caused more than one million premature deaths in the same year. Some of the leading air pollution-related ailments that contribute to these premature deaths include pneumonia, heart disease, stroke, diabetes, chronic lung disease, and lung cancer. Ambient air pollution and household air pollution are associated with 6.7 million premature deaths annually.

IPS UN Bureau Report

 

Good for Girls and Good for the Planet: Eco-Friendly Sanitary Towels

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Africa, Climate Change, Conservation, Environment, Featured, Green Economy, Headlines, Health, Innovation, Sustainable Development Goals, TerraViva United Nations

Women’s Health

Stephany Musombi and engineers preparing the banana stems for processing at KIRDI. Credit: Wilson Odhiambo/IPS

Stephany Musombi and engineers preparing the banana stems for processing at KIRDI. Credit: Wilson Odhiambo/IPS

NAIROBI, Nov 16 2023 (IPS) – ’Going Green’ seems to Dr Jacquline Kisato’s favorite catchphrase as she passionately explains her eco-friendly sanitary towel, a product she expects will help empower women and young girls while also putting money into farmers’ pockets.

Kisato is a lecturer at the Kenyatta University (KU), Fashion Design and Marketing, currently working on a project to develop affordable and eco-friendly sanitary towels while also finding a solution for sustainable packaging materials.

Kisato’s venture started out to help communities get a source of employment through the commercialization of banana stems – products that were considered useless by farmers and would usually be left to rot away on farms.

After the Kenyan government enforced a ban on the use of plastic bags in 2018, there was a need to find immediate alternatives.

Plastic bags were a necessity for grocers and fast-food vendors, an item that made it easy for customers to carry their goods home. Despite their advantage, however, their negative impact on the environment could no longer be overlooked.

‘’I started looking at this project from an entrepreneurship point of view on how I could commercialize banana stem fibers. The government had just banned single-use plastic bags, and market vendors needed alternatives to serve their customers,’’ Kisato told IPS.

‘’Poorly disposed sanitary towels also formed part of the pollution problem since they were composed of plastic,’’ she added.

According to Kisato, however, her need to empower women and young girls through affordable sanitary towels was something that she always had in mind after noticing the struggles that school-going girls went through.

‘’While walking along the hallways one day, a student on campus stopped me and asked if I could help her with a packet of sanitary pads. This incident shocked me as for a long time, I had assumed ‘period poverty’ was only experienced amongst high school children,’’ Kisato said.

Kisato and her research team interviewed 400 high school girls from Gatundi, Kibera, and Kawangware, where they found out that more than 50 percent of the girls in these low-income areas could hardly afford sanitary pads even when at home.

This did not sit well with the don as she felt something needed to be done about it.

It was while researching alternatives to plastic bags that she realized that she could solve two problems at the same time.

Kisato, therefore, applied for the National Research Fund (NRF) in 2018 with the aim of developing eco-friendly plastic bags and sanitary towels. Her wish came through when NRF granted Kenyatta University Ksh.9 million (about US $ 61,623) in 2020, with her taking the lead as the principal investigator in the project.

Her team is made up of scholars from different departments and institutions and also includes Ph.D. and master’s students, with each one of them playing a major role in seeing the project through.

‘’I lead a team of engineers from the Kenya Industrial Research and Development Institute (KIRDI), whose task is to reverse engineer machines that can extract fiber from banana stems and use them to create eco-friendly packaging and sanitary towels,’’ she explained. “I also have researchers from Moi University whose work was to turn the extracted fiber into soft materials for use.”

Kisato’s aim was to produce quality sanitary towels that could compete with what was already in the market while still being eco-friendly, a fact that led her to seek the expertise of Edwin Madivoli, a chemistry lecturer at the Jomo Kenyatta University of Agriculture and Technology (JKUAT).

According to Kisato, the towels on the market have a component in them called hydrogel, which enables them to retain fluids for longer, and were also lined with plastic sheets to prevent any leakage. Our intention is to replicate the same but use bioplastic materials, which can degrade as opposed to the normal plastic that is being used.

From her research, Kisato also discovered that Africans, on average, wore sanitary towels for longer as compared to women and girls from developed countries and were thus at risk of getting bacterial infections. This was due to limited access and affordability in Africa.

‘’The recommended period for one to have on a sanitary pad is about three hours, which means that it should be changed at least three times a day to avoid any risk of infections. This is, however, not the case for many girls in Africa due to poverty,’’ Kisato explained to IPS.

‘’We thought adding anti-microbial properties to our product would therefore make it as good or even better than what was in the market,’’ said Kisato.

The research team also found out that there were a lot of myths surrounding menstrual flow among young girls, a fact that led to a lot of stigmatization, which made it difficult for them to understand how to use sanitary towels properly.

Some of the notable ideas that girls told each other concerning menstrual flow included:

  1. It is a curse from God
  2. Girls who had periods were considered dirty and impure
  3. Their faces would become pale from losing blood

‘’These are beliefs that need to be done away with by encouraging parents and the government to speak about monthly periods with young girls openly,’’ Kisato said.

For the second phase of the project, Madivoli’s chemistry expertise came in handy, and the Research Scholarship and Innovation Fund (RSIF) was happy to add an additional Ksh.9 million (about USD 59,000) for Kisato to continue what she had started.

‘’My role is to ensure our sanitary pads are of the same quality as what is in the market while at the same time maintaining an eco-friendly nature, which is the main agenda of this whole project,’’ Madivoli told IPS.

‘’I am tasked with the development of hydrogels, production of bioplastics, and finding a way to incorporate anti-microbial properties into our products to protect the users from possible infections,’’ he said.

JKUAT received funding of Ksh.800,000 (about US $ 5477) from the Kenya National Innovation Agency (KENIA) to further help Madivoli with this research.

“As they are left to dry up on the farms, banana stems are known to produce large amounts of methane, which is a harmful greenhouse gas that contributes to the climate change problems that we are trying to tackle, added Madivoli. ‘”Having an alternative use for the stems therefore limits the greenhouse effect in the atmosphere.’’

Madivoli said that most banana farmers usually do not know what to do with the stems once they have done their harvest, and this project gives them a way to earn some extra income as they expect to buy the stems from them at Ksh.35 per stem.

“This project will not only be environmentally friendly but will also create jobs for the people who go to cut the stems from the farms while also finding use for the biomass that the farmers thought was useless,’’ he concluded.

Once it is up and running, they expect to source banana stems from counties such as Kisii, Muranga, Embu, Meru, and parts of western Kenya.

Stephany Musombi is one of Kisato’s students specializing in textiles whose task in the project is to come up with quality packaging materials.

‘’Apart from the banana fiber, I am also experimenting with other biomass such as pineapple and seaweed,’’ Musombi told IPS. If I can find a way to make this work, the project will open up a market for seaweed and pineapple biomass.

Kisato’s project could not have picked a better time there is an international joint push for green solutions to help mitigate climate change. On September 4, 2023, Kenya also played host to the climate summit that attracted leaders from across Africa.

Kenya’s president, William Ruto, drove himself in a tiny electric car to the Kenyatta International Convention Centre (KICC), where he challenged the African leaders and innovators to find sustainable solutions to their daily activities that can help them reduce the carbon print in the continent and globally.

‘’Africa can power all energy needs with renewable resources. The continent has enough potential to be entirely self-sufficient using wind, solar, geothermal, sustainable biomass, and hydropower energy. Africa can be a green industrial hub that helps other regions achieve their net zero strategies by 2050,’’ Ruto said at the summit.

Kisato expects her product to hit the market later this year, where she plans to make it more affordable for all. Her intention is to team up with startups or established companies that deal with toiletries.

‘’The cheapest sanitary packet in the market costs Ksh.140. We expect ours to go as low as Ksh.100, Kisato,’’ concluded.

Kenyatta University’s Vice Chancellor, Paul Wainaina, lauded the project, stating that it will enable the country to meet its industrial needs while conserving the environment.

IPS UN Bureau Report

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Human Rights Defenders in Exile Safety Imperiled by Host Countries’ Declining Civil Rights

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Irene Grace says human rights defenders hiding in Kenya fear harassment and intimidation due to a decline in civic rights. Credit: Joyce Chimbi/IPS

Irene Grace says human rights defenders hiding in Kenya fear harassment and intimidation due to a decline in civic rights. Credit: Joyce Chimbi/IPS

By Joyce Chimbi
NAIROBI, Jun 20 2023 (IPS)

While leaving one’s country and becoming a refugee is a last resort, it is a decision that many, like Steve Kitsa, have had to make. As conflict becomes increasingly protracted in many African countries, many others will take this step.

“In a matter of life and death, I fled the Democratic Republic of Congo (DRC) five years ago and left my elderly mother behind. One day we were seated in a group of young men, chatting and enjoying the morning sun, when a lone gunman in uniform approached us and started firing away unprovoked. Such incidences had become too common in the eastern region, and some of my friends were killed,” Kitsa tells IPS.

Kenya hosts one of the largest refugee populations in Africa. Kitsa is one of more than 520,000 registered refugees and asylum seekers. But human rights defender Irene Grace, who fled Uganda two years ago, says the number is much higher because borders are porous.

Nevertheless, official records show that about 287,000 refugees come from Somalia, 142,000 from South Sudan, 50,000 from DRC, and 32,000 from Ethiopia; many live in Dadaab and Kakuma camps.

Others, like Kitsa, have found their way into the urban centers of Nairobi, Kisumu, Mombasa, and Eldoret. Outdated statistics from 2017 indicate that more than 67,267 refugees live in Nairobi.

“There is a lot of exploitation because we need the locals to survive. Along the highways, you will find many young men hawking peanuts. You can tell they are from DRC because of the kind of Swahili they speak. They sell these peanuts under the hot sun, all day, every day, in exchange for a plate of food and somewhere to sleep as the profits go to the host. Most of us are desperate to go to France,” he explains.

Irene Grace fled Uganda for promoting the rights of the LGBTQI community as the country clamped down on their rights. As the government-endorsed crackdown against the community intensified, so did threats against her life.

“The issue of human rights defenders in exile is one aspect of the refugee situation that is hardly ever talked about. The risk is very high because you are under an alias in a foreign country, and if murdered, you are likely to remain unidentified for a long time, and it might take years to connect the dots. The question of who bears the duty of protection for us remains unanswered,” Grace says.

Her fears and concerns reflect the 2022 report findings by the global civil society alliance, CIVICUS, and the Kenya Human Rights Commission (KHRC), highlighting the decline in civil rights in Kenya. According to the report, the government was using excessive force to quieten dissent.

Kenya was placed on the CIVICUS Monitor’s human rights ‘Watchlist’ in June 2022. The Watchlist highlights countries with a recent and steady decline in civic freedoms, including the rights of free speech and peaceful assembly.

Kenya was rated Obstructed by the CIVICUS Monitor. There are 42 countries in the world with this rating. The rating is typically given to countries where power holders heavily contest civic space and impose a combination of legal and practical constraints on the full enjoyment of fundamental rights.

In 2021, Front Line Defenders released a report accusing the governments of Uganda and Kenya of giving the South Sudanese National Security Service (NSS) intelligence agency the freedom to target refugee human rights workers who fled the country.

“It is very difficult to continue with activism in such a hostile environment, on top of the many other challenges confronting us, such as a lack of documentation and access to services. Some of us left our families behind, exposed and unprotected. Over the eight years, I have lived in Kenya, I have received many threatening calls from South Sudan, but I know the information of my whereabouts came from within this country,” Deng G, an activist from South Sudan, tells IPS.

“Our situation worsens when local activists are targeted. In exile, you must connect with local networks to survive and continue with your activism. I am aware of activists in Kenya currently being held without trial for protesting against the high cost of living.”

KHRC continues to express concerns over the misuse of laws to undermine peaceful protest and recently responded with speed when five activists from the Social Justice Center, a Nairobi-based grassroots group, were arrested during a peaceful protest against the controversial Finance Bill 2023.

A pre-independence Public Order Act requires activists to notify authorities of protests at least three days in advance. Police have mistakenly understood the provision as a requirement for protests to be approved or denied, using it as an excuse to deem protests ‘unpermitted.’ Even though the right to peaceful assembly is guaranteed in Kenya’s constitution, it is continually undermined, says CIVICUS and KHRC.

Irene Grace says ongoing hostilities have derailed efforts to promote the safety and security of LGBTQI asylum seekers and refugees in the Kakuma Refugee Camp complex in northwestern Kenya whose lives are at risk. She says they are experiencing discrimination, and physical and sexual violence, among other forms of human rights violations.

“I am unable to travel there to determine how we can mobilize and improve their safety, working hand in hand with grassroots activists in Kenya. There are corrupt security officers, and once they discover you are hiding in the country, you become a target. They want you to pay them to turn a blind eye as you go on with your activities,” she says.

Kitsa says the issue of bribes is a most pressing challenge for many refugees seeking to integrate with the locals.

“They usually threaten to send you to the refugee camps despite having refugee documentation allowing you to live among the locals. They can create many problems for you.”

Against this backdrop, Irene Grace says activism is being suppressed from multiple angles, and human rights activists, local and those operating from exile, must now go back to the drawing board to find safer, impactful ways to speak truth to power and take the powers that be head-on.
IPS UN Bureau Report

 


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Excerpt:

Home Away From Home is the theme of World Refugee Day 2023. However, for many, including human rights activists who have fled their homes, a decline in civil rights in their host countries means their lives are often endangered and their activism curtailed. Source

Innovative Sustainable Business: A Three Trillion-Dollar Opportunity that UN Environment Wants People to Develop

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Africa, Climate Change, Conferences, Economy & Trade, Editors’ Choice, Environment, Featured, Global, Green Economy, Headlines, IPS UN: Inside the Glasshouse, Natural Resources, Regional Categories, Sustainability, TerraViva United Nations, Trade & Investment

Environment

Achenyo Idachaba-Obaro, the founder of Mitimeth, a social enterprise that has trained hundreds of women on how to make popular handicrafts from water hyacinth. Credit: Isaiah Esipisu/IPS

NAIROBI, Mar 12 2019 (IPS) – In the East African region, communities around the continent’s largest water body, Lake Victoria, regard the water hyacinth as a great menace that clogs the lake and hampers their fishing activities. But in Lagos, Nigeria, some groups of women have learned how to convert the invasive weed into a resource, providing them with the raw material needed to make handicrafts.

“Our biggest challenge right now is the market where these women can sell their finished products from the water hyacinth,” said Achenyo Idachaba-Obaro, the founder of Mitimeth, a social enterprise that has trained hundreds of women on how to make popular handicrafts from water hyacinth.

Dressed in a blouse partly made of fabric from water hyacinth and buttons made from a coconut shell at the ongoing United Nations Environment Assembly (UNEA) in Nairobi, Kenya, Idachaba-Obaro showcased several products made from the aquatic weed ranging from boutique dresses, unique multipurpose baskets, vases, stationery, wall decor, and dining ware, among others.

“All these items are a product of handcrafts by women whom we have trained, and they are now able to generate extra income from a weed that is seen as a menace to many other people worldwide,” she told IPS.

So far, over 350 women, comprising mostly of widows but who also include students and teachers, from riparian rural communities have been trained on how to make finished products from water hyacinth, and they all sell them locally.

“Whenever we have a ready market, we always call on them to make water hyacinth ropes for us, which is the first stage of developing any water hyacinth fabric,” said Idachaba-Obaro.

In the past few months for example, a team of 70 women were able to make ropes which earned them 1.4 million Naira (3,880 dollars). “It has become a big business in Nigeria where everybody wants to be involved,” she said.

Her exhibition was one of the 42 technologies and innovative solutions from around the world that formed the 2019 Sustainable Innovation Expo at the UNEA conference in Nairobi, which is being held Mar. 8-15.
To move such innovations forward through research and to later upscale them, Joyce Msuya, the U.N. Environment Acting Executive Director and Assistant Secretary-General of the U.N. urged countries to provide enabling environments for both innovators and researchers.

“Innovation will be the heartbeat of the transformation we want and this cannot happen by itself. Policies and incentives to spur innovation and sustainable consumption and production must be backed by efforts to build implementation capacity,” she told the more than 4,000 delegates from 170 countries during the official opening of the assembly in Nairobi.

According to Siim Kisler, the Minister of Environment in Estonia and the UNEA President, there is need to find innovative solutions for environmental challenges through different approaches to sustainable consumption and production, inspiring nations, private sector players and individuals.

The Expo is the U.N. Environment Assembly’s solution-based platform for engaging innovators using exhibitions that reveal the latest technologies, panel discussions, and networking opportunities.

Other innovative techniques showcased at the expo include ‘Timbeter’ a digital (mobile app) timber measurement solution that uses a smart phone for accurate log detection.

“With this app on your smart phone, you only need to point the phone camera to say a lorry full of timber, and it will accurately give you the total number of logs on the truck, and circumference measurement of each of the logs,” Anna-Greta Tsahkna the Co-founder of the Estonian-based Timbeter told IPS.

So far, the technology has been embraced in Thailand, Brazil, South Africa, Russia and Chile where companies are using it to share measurements with contractors and clients. They use it to count logs, the log diameter and density in less than 3 minutes. It is an important tool in eradicating illegal logging.

Apart from another exhibition by a Canadian company that uses shipping containers to create affordable and sustainable housing, Brazilian experts from a company called Votorantim were showcasing a technique where they extract DNA from different forest species to analyse their chemical makeup.

“This makes it easy for users to know which type of trees, plants, grass or anything within the biodiversity they should target based on what they want to extract for medicines, cosmetics, perfumes among others,” said Frineia Rezente, the Executive Manager of Votorantim, said.

According to a statement by U.N. Environment, innovative sustainable business represents a trillion-dollar opportunity that can bring value to people and the environment.