Tracking the Invisible: Monitoring Air Pollution from Space

Asia-Pacific, Civil Society, Climate Change, Development & Aid, Environment, Featured, Headlines, Humanitarian Emergencies, Sustainable Development Goals, TerraViva United Nations

Opinion

A mother and a son with mask were riding on a motorcycle in a street of Bangkok. The capital of Thailand experienced high level of PM2.5 particle pollution. Credit: Pexels/Maksim Romashkin

BANGKOK, Thailand, Jan 14 2026 (IPS) – Take a deep breath.

Did you know that in many countries in Asia and the Pacific, the air we breathe falls short of the safety standards for air quality set by the World Health Organization? While the start of a new year signals new beginnings, it also marks the continuation of the recurring air quality crisis across many countries in the region.


In 2024, 25 of the most polluted cities were in the Asia-Pacific region, with dangerous levels of fine particulate matter (PM2.5) that significantly exceeded the annual maximum levels of 5 micrograms per cubic meter.

Oftentimes, when we think of air pollution, we associate it with car exhaust and factory chimneys belching black smoke. But air pollution is not just the cost of urban development – it is a multi-hazard crisis caused by wildfires, sand and dust storms, and volcanic eruptions that respect no borders. Access to clean air is a human right and countries who contribute the least to air pollution are often the most vulnerable.

Rising temperatures create a vicious cycle: rising heat leads to intensifying wildfires, releasing toxic smoke composed of carbon dioxide, carbon monoxide, and PM2.5 into the air we breathe. Furthermore, heat accelerates the breakdown of waste, generating even more pollutants.

Volcanic eruptions add sulfur dioxide and volcanic ash to the mix, and these pollutants can linger in the atmosphere for months. The result? Climate change exacerbates air pollution, which in turn aggravates the climate crisis — a feedback loop that puts both human health and ecosystems at risk and transforms local hazards into regional challenges.

Can a heavily polluted environment be restored? In principle, yes, but doing so requires transformative change and collective action in our economy and society. Improving urban mobility requires prioritizing efficient public transport, including low-emission vehicles, cleaner, greener alternatives such as walking, cycling, and ride-sharing.

Nature-based solutions, including green cooling corridors, can further improve air quality by lowering surface temperatures and providing buffers against desertification, land degradation, drought, and sand and dust storms.

However, not all sources of air pollution can be addressed through emission reductions alone. There are inherent limits to prevention at the source, particularly for air pollution caused by natural hazards. This requires a shift in focus from mitigation toward adaptation and preparedness.

Earth observation plays a critical role in monitoring, early warning, and informed decision-making. Advanced sensors aboard platforms such as Sentinel-5 Precursor and Geostationary Environment Monitoring Spectrometer (GEMS) detect key atmospheric pollutants including nitrogen dioxide (NO2), sulfur dioxide (SO2), tropospheric ozone, and carbon monoxide at unprecedented spatial and temporal scales.

The collaboration of ESCAP with regional partners for the Pan-Asia Partnership for Geospatial Air Pollution Information exemplifies how satellite data can be integrated with surface observations to create robust monitoring systems. These datasets enable tracking transboundary pollution events, from agricultural fire smoke to volcanic sulfur emissions to urban photochemical smog.

Satellites bridge the existing gaps from ground-based observations, providing authorities with the spatial coverage needed to understand and monitor air pollution and formulate effective policies.

The Clean Air for Sustainable ASEAN project recognizes that addressing the transboundary air pollution crisis requires strengthened monitoring and decision-making capacities enabled by technology-driven solutions. The application, Check Phoon (Thai: Phoon, meaning dust), or the PM2.5 Monitoring System, developed by the Geo-informatics Information and Space Technology Development Agency of Thailand, is an innovative platform that leverages space technology to support air quality monitoring and public health protection by providing real-time, high-resolution PM2.5 concentration data across Thailand.

The application is available in both web-based and mobile applications, and the system integrates satellite data, such as from Himawari, meteorological information, PM2.5 sources including hotspots (active fire detections), and ground-based validation from PM2.5 monitoring stations.

Building on the framework of SatGPT for flood hotspot mapping, an iteration of SatGPT for volcanic hazards has been proposed with potential to support the understanding and management of air pollution linked to volcanic activity. has been proposed with potential to support the understanding and management of air pollution linked to volcanic activity.

The Regional Action Programme on Air Pollution advances air quality management through science-based cooperation, sharing of best practices, and strengthened technical and financial support across ESCAP member States.

Complementing this effort, the Regional Space Applications Programme facilitates the sharing of Earth observation data and expertise that are critical for monitoring air pollution and assessing the impacts.

These initiatives contribute to accessible and actionable geospatial information that strengthens early warning systems, enabling authorities to forecast and quantify air quality with greater precision.

The transboundary nature of air pollution demands a stronger and more urgent call to action. While the Asia-Pacific region has demonstrated remarkable resilience in the face of cascading disasters, regional cooperation must accelerate to match the scale and pace of this evolving crisis.

Keran Wang is Chief of Space Applications Section, ESCAP; Sheryl Rose Reyes is Consultant, Space Applications Section, ESCAP; Taisei Ukita is former Intern, Space Applications Section, ESCAP.

The authors would like to thank Sangmin Nam, Director of the Environment and Development Division of ESCAP, for his contributions to this article.

IPS UN Bureau

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Richest 1% have Blown Through their Fair Share of Carbon Emissions for 2026 –in just 10 Days

Civil Society, Climate Change, Development & Aid, Environment, Featured, Global, Headlines, Humanitarian Emergencies, Sustainable Development Goals, TerraViva United Nations

Opinion

Credit: Oxfam

LONDON, Jan 13 2026 (IPS) – The richest 1% have exhausted their annual carbon budget – the amount of CO2 that can be emitted while staying within 1.5 degrees of warming – only ten days into the year, according to new analysis from Oxfam. The richest 0.1% already used up their carbon limit on the 3rd January.


This day – named by Oxfam as ‘Pollutocrat Day’ – highlights how the super-rich are disproportionately responsible for driving the climate crisis.

The emissions of the richest 1% generated in one year alone will cause an estimated 1.3 million heat-related deaths by the end of the century. Decades of over consumption of emissions by the world’s super rich are also causing significant economic damage to low and lower-middle income countries, which could add up to $44 trillion by 2050.

To stay within the 1.5 degrees limit, the richest 1% would have to slash their emissions by 97% by 2030. Meanwhile, those who have done the least to cause the climate crisis – including communities in poorer and climate-vulnerable countries, Indigenous groups, women and girls – will be the worst impacted.

“Time and time again, the research shows that governments have a very clear and simple route to drastically slash carbon emissions and tackle inequality: by targeting the richest polluters.

By cracking down on the gross carbon recklessness of the super-rich, global leaders have an opportunity to put the world back on track for climate targets and unlock net benefits for people and the planet,” said Oxfam’s Climate Policy Lead Nafkote Dabi.

On top of their lifestyle emissions, the super-rich are also investing in the most polluting industries. Oxfam’s research finds that each billionaire carries, on average, an investment portfolio in companies that will produce 1.9 million tonnes of CO2 a year, further locking the world into climate breakdown.

The wealthiest individuals and corporations also hold disproportionate power and influence. The number of lobbyists from fossil fuel companies attending the recent COP summit in Brazil, for example, was more than any delegation apart from the host nation, with 1600 attendees.

“The immense power and wealth of super-rich individuals and corporations have also allowed them to wield unjust influence over policymaking and water down climate negotiations.” Dabi added.

Oxfam calls on governments to slash the emissions of the super-rich and make rich polluters pay through:

Increase taxes on income and wealth of the Super-rich and proactively support and engage on the negotiations for the UN Convention of International Tax Cooperation to deliver a fairer global architecture.

Excess profit taxes on fossil fuel corporations. A Rich Polluter Profits Tax on 585 oil, gas and coal companies could raise up to US $400 billion in its first year, equivalent to the cost of climate damages in the Global South.

Ban or punitively tax carbon-intensive luxury items like super-yachts and private jets. The carbon footprint of a super-rich European, accumulated from nearly a week of using super yachts and private jets, matches the lifetime carbon footprint of someone in the world’s poorest 1 percent

Build an equal economic system that puts people and planet first by rejecting dominant neoliberal economics and moving towards an economy based on sustainability and equality. 

The International Court of Justice (ICJ), the world’s highest court, has confirmed that countries have a legal obligation to reduce emissions enough to protect the universal rights to life, food, health, and a clean environment. 

IPS UN Bureau

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Is the US Moving Towards the UN’s Exit Door?

Civil Society, Featured, Global, Global Governance, Headlines, International Justice, IPS UN: Inside the Glasshouse, TerraViva United Nations

Credit: United Nations

UNITED NATIONS, Jan 13 2026 (IPS) – Judging by the mass US withdrawal from 66 UN entities, including UN conventions and international treaties, is it remotely possible that the unpredictable Trump administration may one day decide to pull out of the UN, and force the Secretariat out of New York– despite the 1947 UN-US headquarters agreement?


Besides the 66, the withdrawals also include the pullouts from the Human Rights Council, the WHO, UNRWA and UNESCO– while imposing drastic reductions in funding for the remaining UN entities the US has not yet formally exited.

So, will the United Nations, which has come under heavy fire, be far behind?

That possibility is strengthened by the critical views of the UN both by President Trump and senior US officials.

Dr Stephen Zunes, Professor of Politics, University of San Francisco, who has written extensively on issues relating to the United Nations, told IPS even the U.S. presidents most hostile to the United Nations– like Ronald Reagan and George W. Bush– recognized the importance of the world body in terms of advancing U.S. interests, including understanding the importance of maintaining the UN system as a whole, even while violating certain legal principles in particular cases.

Similarly, he pointed out, the United States was willing to participate in various UN bodies in an effort to wield influence, even while disagreeing with some of their policies or even their overall mandates.

“The Trump administration, however, appears to be rejecting the post-WWII international legal system as a whole. His statements, particularly since the attack on Venezuela, appear to be a throwback to the 19th-century imperial prerogatives and a rejection of modern international law.”

“As a result, it is possible that Trump could indeed pull the United States out of the United Nations and force the UN out of New York”, declared Dr Zunes.

Addressing the General Assembly last September, Trump remarked, “What is the purpose of the United Nations? It’s not even coming close to living up to [its] potential.”

Dismissing the U.N. as an outdated, ineffective organization, he boasted, “I ended seven wars, dealt with the leaders of each and every one of these countries, and never a phone call from the United Nations offering to help in finalizing the deal.”

Martin S. Edwards, Associate Dean of Academic and Student Affairs, School of Diplomacy and International Relations at Seton Hall University, told IPS “this is dubious language about cutting inefficiency and fighting diversity wrapped up in red meat to feed President Trump’s base”.

It’s a ploy to use foreign affairs to distract voters for whom he has yet to deliver. The fact that the actual follow-up documents haven’t been received by the Secretary General tells you everything here. It fits a pattern of the President carving out maximalist positions and then getting very little in the end, he pointed out.

But it’s a bigger challenge, he said, on two fronts:

1. This is going to continue to REDUCE US influence at the UN rather than increase it. Stable foreign relations are based on credibility. The US continues to squander its reserves, and other countries will step into the vacuum.

2. This policy might have been a good social media post for voters, but makes little sense in practice. What the White House wants is a line-item veto over every single aspect of UN operations. But assessed contributions are not an ala carte menu, declared Edwards.

Mandeep S. Tiwana, Secretary General, CIVICUS, a global alliance of civil society organizations, told IPS retreat from international institutions by the Trump Administration is an attack on the legacy of President Franklin D. Roosevelt who gave the people of the United States the New Deal and envisioned a bold framework for the establishment of the UN to overcome the horrors of the Second World War.

“Many of the impacted international institutions were built through the blood, sweat and tears of Americans. Pulling out of these institutions is an affront to their sacrifices and reverses decades of multilateral cooperation on peace, human rights, climate change and sustainable development,” he said.

Meanwhile, the attacks on the UN have continued unabated.

In an interview with Breitbart News, U.S. Representative to the United Nations Ambassador Mike Waltz said, “A quarter of everything the UN does, the United States pays for”.

“Is there money being well spent? I’d say right now, no, because it’s being spent on all of these other woke projects, rather than what it was originally intended to do, what President Trump wants it to do, and what I want it to do, which is focus on peace.”

Historically, the United States has been the largest financial contributor, typically covering around 22% of the UN’s regular budget and up to 28% of the peacekeeping budget.

Still, ironically, the US is also the biggest defaulter. According to the UN’s Administrative and Budgetary Committee, member states currently owe $1.87 billion of the $3.5 billion in mandatory contributions for the current budget cycle.

The former US House Republican Conference Chair Elise Stefanik of New York, a one-time nominee for the post of US Ambassador to the UN, was quoted as saying, “In the UN, Americans see a corrupt, defunct, and paralyzed institution more beholden to bureaucracy, process, and diplomatic niceties than the founding principles of peace, security, and international cooperation laid out in its charter.”

Meanwhile, in a veiled attack on the UN, Secretary of State Marco Rubio said, “What we term the “international system” is now overrun with hundreds of opaque international organizations, many with overlapping mandates, duplicative actions, ineffective outputs, and poor financial and ethical governance.”

Even those that once performed useful functions, he pointed out, have increasingly become inefficient bureaucracies, platforms for politicized activism or instruments contrary to our nation’s best interests, he said.

“Not only do these institutions not deliver results, they obstruct action by those who wish to address these problems. The era of writing blank checks to international bureaucracies is over,” declared Rubio

IPS UN Bureau Report

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Our New Colonial Era

Civil Society, Global, Global Governance, Headlines, International Justice, IPS UN: Inside the Glasshouse, TerraViva United Nations

Opinion

UN’s ‘responsibility to deliver’ will not waver, after US announces withdrawal from dozens of international organizations. Credit: UN Photo/Loey Felipe

 
“Take up the White Man’s burden — Send forth the best ye breed… By all ye cry or whisper, by all ye leave or do, [T]he silent, sullen peoples shall weigh your gods – and you…” — Rudyard Kipling, The White Man’s Burden: The United States and the Philippine Islands (1899)

NEW YORK, Jan 12 2026 (IPS) – We’re living in an age where the world is loudly proclaiming the death of empire, yet reproducing its structures. This is not nostalgia for colonial postcards — it’s a reinvention of foreign policy, international governance and global economic power that resembles colonial logic far more than it does meaningful cooperation.


The term “New Colonialism” feels extreme until you look not at poetry, but at power in motion — from military takeovers and genocides, to diplomatic withdrawal, to institutions that still perpetuate inequality and human rights’ abuses under the guise of neutrality.

I – Where Are We Today

“Imperialism after all is an act of geographical violence through which virtually every space in the world is explored, charted, and finally brought under control.”
— Edward Said, Culture and Imperialism (1993)

In January 2026, the United States executed what amounts to the most dramatic foreign intervention in Latin America in decades: a military incursion into Venezuela resulting in the abduction of President Nicolás Maduro. President Donald Trump openly declared that the U.S. would “run the country until such time as we can do a safe, proper and judicious transition.” This is not coded language — it is overt control.

Critics and allies alike see the move not as a limited counternarcotics or law enforcement operation (as the Administration frames it), but as a return to the old playbook of hemispheric domination. Latin American governments from Mexico to Brazil condemned it as a violation of sovereignty — a modern mirror to the regime-change interventions of the 20th century.

Analysts at Foreign Policy have highlighted precisely how this intervention fits into a larger pattern of U.S. foreign policy ambition. Rishi Iyengar and John Haltiwanger note that under the banner of battling “narcoterrorism,” the United States has expanded the role of its military into actions that blur the distinction between security and political control — “adding bombing alleged drug traffickers to its ever-growing list of duties.”

Such actions reflect a foreign policy that is increasingly militarized and deeply unilateral in its execution.

This intervention was not an isolated blip. It fits into a broader dynamic which suggests Washington’s moves in Venezuela are less about drug interdiction and more about strategic positioning and resource control — especially Venezuela’s vast oil reserves.

In the context of a “World-Minus-One” global order where U.S. power is contested by China and Russia, interventionist impulses have resurfaced not as humanitarian projects but as geopolitical gambits.

Viewed through the lens of colonial critique, the language of “rescuing” Venezuelans from an accused dictator echoes Kipling’s exhortation to take up the supposed moral burden. But those centuries-old justifications masked violence and labour exploitation; today’s rhetoric masks geopolitical self-interest.

The U.S. claims to be liberating Venezuelans from authoritarianism, yet asserts control over governance and economic infrastructure — a 21st-century version of telling another nation it cannot govern itself without direction from Washington. The result is not liberation, but dependency — a hallmark of colonial relationships.

II. The U.S. Withdrawal from Multilateral Institutions

“The White Man’s Burden, which puts the blame of the new subjects upon themselves without acknowledging the real burden — the systematic, structural and often violent exploitation — is the oldest myth of empire.”

Kumari Jayawardena, The White Woman’s Other Burden: Western Women and South Asia During British Colonial Rule, (1995)

If the takeover of Venezuela reads like old-fashioned empire building, the withdrawal from multilateral institutions is a disengagement from the very forums meant to prevent that kind of unilateralism.

In early 2026, the United States signed a presidential memorandum seeking to withdraw support and participation from 66 international organizations — including numerous United Nations agencies and treaty frameworks seen as “contrary to U.S. interests.” This list contains both U.N. bodies and other treaty mechanisms, extending a pattern of U.S. disengagement from global governance structures.

Among the organizations targeted are the U.N.’s population agency and the framework treaty for international climate negotiations. Already, U.S. participation in historic climate agreements like the Paris Agreement has been rolled back, and the World Health Organization was officially exited — marking a return to a transactional, bilateral focus rather than deep multilateral cooperation.

U.N. Secretary-General António Guterres responded to the announcement with regret and a reminder of legal obligations: assessed contributions to the regular and peacekeeping budgets are binding under the U.N. Charter for all member states, including the United States. He also underscored that despite U.S. withdrawal, the agencies will continue their work for the communities that depend on them.

This move comes against a backdrop in which the U.N. and other institutions are already grappling with serious internal challenges — problems that critics argue undermine their legitimacy and point to deeper governance failures. For instance, allegations of sexual exploitation and abuse by U.N. peacekeepers and staff have repeatedly surfaced, with hundreds of cases documented and concerns raised about the trustworthiness of leadership responses.

In 2024 alone, peacekeeping and political missions reported over 100 allegations, and internal surveys showed troubling attitudes among staff toward misconduct.

Such abuses are not random flukes; scholars and advocates have documented persistent organizational cultures where power imbalances enable exploitation and harassment, and where transparency and accountability often lag.

These structural issues do not delegitimize the idea of multilateral cooperation — but they certainly challenge claims that these institutions function as equitable and effective global governance mechanisms.

International non-governmental organizations (INGOs) are likewise under scrutiny. Critics point to cases where aid workers have perpetrated sexual abuse and exploitation or where organizational priorities have at times aligned more with donor interests than with local needs.

A 2024 study on sexual exploitation and harassment in humanitarian work highlights how power imbalances and weak enforcement mechanisms within the sector contribute to ongoing abuses that remain under-reported and inadequately addressed.

These issues — within the U.N. and the humanitarian sector — fuel frustration that multilateralism too often protects institutional reputation at the expense of victims and local communities. That frustration helps explain why some U.S. policymakers see these organizations as outdated or corrupt.

But the response of walking away rather than strengthening accountability mechanisms plays directly into the hands of those who would hollow out global governance altogether.

III. It Takes Two to Tango

So, is the United States the villain in this unfolding story of fractured cooperation and revived colonial impulses? Yes — but only partially.

There is no denying that recent U.S. foreign policy has made unilateral moves that harm global norms: military intervention in sovereign states, withdrawal from key treaties and organizations, and politicized rejection of multinational cooperation reflect a retreat from shared leadership. Yet, the belief that multilateral institutions are inherently effective, just and beyond reproach is equally misplaced.

Structural weaknesses in international governance — from slow, opaque accountability mechanisms to insufficient representation of Global South voices — have long been recognized by scholars and practitioners. These deficiencies leave global organizations vulnerable to political capture, ineffectiveness in crisis response and the perpetuation of inequalities they are meant to dismantle.

The failures inside the U.N. and the aid sector are not the sole fault of the United States, but of a global system that institutionalized power hierarchies sustained by western donors, from the beginning.

The New Colonialism era does not show up as 19th-century conquest; it’s woven into the language of “interest,” “security,” and “institutional reform.” Whether it is a powerful state flexing military might under humanitarian pretences or “self defence”, or powerful states walking away from agreements that protect smaller nations’ interests, the pattern is the same: power asserts itself where it can, and multilateral norms are treated as optional.

If this moment teaches us anything, it’s that saving multilateralism requires both accountability and renewal — not abandonment. Countries that champion global cooperation must address colonial legacies in governance, ensure institutions are transparent and accountable, and democratize decision-making.

Likewise, powerful states must recognize that withdrawing from shared systems or using them to further their own limited interests, does not reset power imbalances — it entrenches them.

In the end, meaningful global cooperation cannot be the project of a single nation or a network of powerful elites. It must be rooted in shared accountability and genuine equity — a coalition of efforts for the common good, prepared not only to compromise, but to sacrifice.

Azza Karam is President of Lead Integrity and Director of Occidental College’s Kahane UN Program.

IPS UN Bureau

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Natural Restoration Recovers Lagoon and Environmental Justice in Brazil: VIDEO

Civil Society, Environment, Headlines, Latin America & the Caribbean, Multimedia, TerraViva United Nations, Video

Environment

NITERÓI, Brazil, Jan 9 2026 (IPS) – “We moved from a context of socio-environmental exclusion to one of environmental justice,” said Dionê Castro, coordinator of the Sustainable Oceanic Region Program which led Brazil’s largest nature-based solutions project.


Having won national and global awards, the Orla Piratininga Park (POP) built 35,000 square meters of filtering gardens and improved the water quality of the Piratininga lagoon, in the oceanic south of Niterói, a municipality in metropolitan Rio de Janeiro, across the Guanabara Bay.

The project, named after the late Brazilian environmentalist Alfredo Sirkis, began in 2020, and aims to environmentally restore an area of 680,000 square meters on the lagoon’s shores whose waters cover an area of 2.87 square kilometers.

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At the heart of the project are the treatment systems for the waters of the Cafubá, Arrozal, and Jacaré rivers, which flow into the lagoon. Sedimentation and pollution were deteriorating the water resource and the quality of life in the surrounding area.

A weir, which receives the river flow, a sedimentation pond, which removes solid waste, and the filtering gardens make up the chain that partially cleans the water before releasing it into the lagoon, reducing environmental impacts, in a process called phytoremediation.

The gardens are small reservoirs where aquatic plants called macrophytes are planted, which feed on the nutrients from the pollution, explained Heloisa Osanai, the biologist specialized in environmental management of the Sustainable Oceanic Region Program (PRO Sustainable).

Three polluted water treatment stations are in the neighborhoods crossed by the rivers, based on natural resources, “without the use of electrical energy, chemicals, or concrete,” explained Castro, the coordinator of PRO Sustainable.

Furthermore, some macrophytes produce abundant flowers. Only native Brazilian species are planted, with priority given to biodiversity, added Osanai.

Along with these water treatment systems, 10.8 kilometers of bike paths, 17 recreation centers, a 2,800-square-meter Eco-Cultural Center, and other environmental works with social goals were built.

The bike path, generally along a pedestrian sidewalk, caters to physical and leisure activities but is also a factor in protecting the lagoon shoreline by blocking urban occupation and real estate invasions, explain the officials.

The area where the water system was built at the mouth of the Cafubá river was highly degraded by an open-air dump and flooding. A reformed “belt channel,” in some sections also reinforced by macrophyte islands, corrected the waterlogging.

On the other side of the lagoon, 3.2 kilometers of bioswales improve the drainage of rainwater. They are trenches with pipes, stones, and other materials, plus vegetation, that accelerate drainage and prevent pollutants from reaching the lagoon.

The main result, according to Castro, reconciled the local population with the lagoon. The old houses that “turned their backs on the lagoon” are joined by new buildings facing the water, some with balconies overlooking the new landscape, said Mariah Bessa, the engineer in charge of hydraulic aspects of the project.

The local population was highly involved in the design and construction of the new environmental and social facilities that transformed the lagoon shoreline. This led to new attitudes, such as not littering on the ground or in the water and preventing others from doing so, according to Castro.

The Ecocultural Center promotes permanent environmental education, with films, children’s games, audiovisual resources, and a large space for visits and classes.

“We moved from a context of socio-environmental exclusion to one of environmental justice,” said the coordinator of PRO Sustainable.

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