Global Clean Air

Air Tracker expands to Rio de Janeiro, helping officials enforce air quality standards

  • EDF's Sergio Sanchez unveils Air Tracker for Rio de Janeiro at the U20 Mayors Summit in Rio de Janeiro on November 15, 2024. Photo by Alex Franco for Environmental Defense Fund.
    EDF's Sergio Sanchez unveils Air Tracker for Rio de Janeiro at the U20 Mayors Summit in Rio de Janeiro on November 15, 2024. Photo by Alex Franco for Environmental Defense Fund.

What’s new: At the Urban 20 Mayors (U20) Summit, Environmental Defense Fund announced the expansion of Air Tracker—its cutting-edge air quality monitoring tool—to Rio de Janeiro today. Air Tracker is an interactive, real-time mapping tool that uses trusted scientific models to track air pollution sources accurately. It combines air pollution and weather forecasting to reveal not only which pollutants are in the air but also where they originate. Learn more about Air Tracker in this short explainer video.

Actions to lower air pollution in Brazil’s major cities can bring significant health benefits. According to the World Health Organization, around 61,000 Brazilians die prematurely each year due to current air pollution levels. Air Tracker will provide valuable insights to national and city officials as they implement Brazil’s new air quality law, enacted earlier this year, which aims to help 216 million Brazilians breathe cleaner air by 2030. Air Tracker is free and publicly available and can therefore also empower residents to identify polluters in their communities and flag them for regulators.

What they’re saying: Officials at the national and state levels expressed enthusiasm about the potential of Air Tracker to assist them in their efforts to cut pollution in urban and rural areas alike. “We are excited to incorporate the advanced capabilities of the Air Tracker into our pollution management toolkit,” said Rafael Barbosa Campos, Air Quality manager of the Rio de Janeiro State Environment Agency. “This technology will allow us to identify sources more quickly and accurately, in addition to strengthening collaboration with communities to reduce emissions at the source. It will help ensure cleaner air and better health for our residents.”

“The implementation of Air Tracker in Brazilian cities is a major step, directly benefiting millions of residents and setting a model for improving urban air quality across Brazil and beyond,” added Brazil’s National Secretary of Urban Environment, Adalberto Maluf. “Nationally, it also brings new potential to monitor rural areas, tracking wildfire smoke and pollution sources in critical regions like the Amazon.”

How does Air Tracker work? When users drop a pin on Air Tracker’s map, it visualizes data on some key measures:

  • Local air pollution levels (currently PM2.5 and PM10)
  • Key areas where sources are likely located
  • The path pollution travels, based on wind speed and direction

Air Tracker provides both real-time and historical data, allowing users to look back up to 6 months to understand long-term trends or the impact of specific polluting events such as wildfires, intentional burning or industrial accidents. Its unified data view provides metrics for informed decision-making, while its capabilities allow for quick responses to pollution spikes.

With support from the Clean Air Fund and the Breathe Cities Program, Air Tracker empowers city and national governments by helping them identify pollution hotspots, enforce regulations in a more targeted way and engage communities in safeguarding public health and the climate. Today’s launch in Rio de Janeiro expands Air Tracker internationally for the first time—an expansion that is expected to continue with the addition of São Paulo in the coming weeks.

What’s next? Environmental Defense Fund is currently partnering with officials in Rio de Janeiro to provide training on Air Tracker’s capabilities and how to best integrate the tool to support their monitoring and enforcement systems. Key partners include:

  • The Ministry of Environment and Climate Change of Brazil
  • Rio de Janeiro’s Instituto Estadual de Ambiente (INEA)
  • The Secretaria Municipal de Ambiente da Cidade (SMAC)
  • The State of São Paulo Environmental Company (CETESB)
  • Civil society organizations and academia.

EDF’s Senior Policy Director of Global Clean Air, Sergio Sánchez, expressed gratitude to city leaders. “We’re excited to partner with officials and communities in Brazil to launch Air Tracker, empowering residents to understand their local air quality and hold polluters accountable. This is a key step toward scaling clean air solutions, strengthening regulations and advancing public health for all.”

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NJ state legislators and residents talk new legislation to limit warehouse and truck pollution at virtual town hall

A map from a presentation by Dr. Gaige Kerr of George Washington University showing recent research that he led earlier this year on the rise of warehouses across the United States.

A map from a presentation by Dr. Gaige Kerr of George Washington University showing recent research that he led earlier this year on the rise of warehouses across the United States.

What’s new: A coalition of environmental and community groups, including EDF, Clean Water Action and EarthJustice, held a virtual town hall last month with New Jersey state lawmakers and residents to promote pending legislation that would limit harmful truck pollution near warehouses, ports and other high-traffic facilities. Attendees heard from state Assemblymembers Andrea Katz and Carol Murphy, researchers and policy experts as they detailed the growth of the state’s warehouse and truck pollution, its health impacts and how the the Warehouse and Port Pollution Reduction Act (A4679/S3546) would help alleviate it.

Why it matters: The proliferation of the e-commerce industry in recent years has contributed to a steady rise in warehouses and other high-traffic facilities across the United States. Densely populated states like New Jersey have been disproportionately affected, with residents of color and of lower incomes more likely to have a warehouse sited near their homes. In New Jersey, freight trucks make up 11% of the on-road fleet but emit 56% of the transportation sector’s nitrogen oxides (NOx) and 33% of its fine particulate matter (known as PM2.5). In 2023, PM2.5 from on-road diesel vehicles led to 340 deaths, nearly 3,000 cancer cases, 164 heart attacks, 3,921 asthma flareups and 110 asthma emergency room visits in the state.

What would the new bill do? The bill centers around a regulation known as an Indirect Source Rule (ISR). California’s South Coast Air Quality Management District enacted a similar rule in 2021, and it is already driving down truck pollution in Southern California. It combines “carrot” and “stick” measures that create incentives for operators to reduce on-site pollution. These include an emissions reduction mandate and a flexible menu of investments that facilities can choose to come into compliance, including zero emissions trucks, charging equipment and solar panels. Grants and other financial incentives are available at the national, state and utility levels to help lower the costs of these investments. The bill would also mandate more transparency around emissions, increase community involvement in the permitting process for new facilities, and impose fines for noncompliance.

What they’re saying: Proponents of the bill expressed an urgent need to reduce the health harms posed by freight truck air pollution. Assemblywoman Katz, co-sponsor of the bill, acknowledged the benefits of e-commerce while calling on warehouse operators to do more to protect people’s health: “I’m not categorically opposed to warehouses. I like to get my Amazon deliveries the next day—that’s nice! I just want them to be responsible neighbors.”

Assemblywoman Murphy stressed the role of regulation, adding “When we have trucks that are projecting emissions through diesel and things of that nature, we’re also starting to talk about how that impacts our breathing…now we have to start turning out the regulations for those trucks.”

What’s next: EDF and partners will continue to assist legislators as they refine the bill and build support for it in the state, with To learn more about the bill and get updates on its progress, visit this page on the state legislature’s website.

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Six ways to ramp up climate and clean air action in 2025

Six ways to ramp up climate and clean air action in 2025

2024 has been a significant year for the climate and air pollution crisis, both in terms of the mounting impacts and increased action. Extreme climate events like hurricanes and wildfires devastated communities around the world, forcing the issue to the forefront of public consciousness. Meanwhile countries, companies and communities took some noteworthy actions to track and reduce emissions, including major commitments made at COP28 to cut methane followed by the launch of MethaneSAT and the first UN resolution on clean air.

Climate change and air pollution are dual challenges that severely impact our health and as such must be solved together.

EDF together with the Climate and Clean Air Coalition (CCAC) and Stockholm Environment Institute (SEI) convened cross-sector clean air leaders to discuss how we can take an integrated approach to cutting greenhouse gases and air pollutants to protect human health. Together, we took stock of how far we’ve come, assessed some hard truths and identified the biggest opportunities in front of us to secure meaningful wins. The conversation captured some important learnings in the struggle to accelerate clean air and climate action that help point towards a pathway forward. Here are six takeaways.

1. Investments in data and research are paying off

Dr. Maria Neira, Director of the Public Health, Environment and Social Determinants of Health Department of the World Health Organization, shared how she has been encouraged by a shift in the recent global pollution dialogue away from merely describing the problem and toward building solutions. We know that research and monitoring efforts, some of which EDF has led, have been essential to understanding the source and impacts of pollution and to identifying solutions. The dialogue shift described by Dr. Neira suggests those efforts are starting to pay off as governments and companies are using pollution insights to identify solutions.

2. Cutting emissions takes resources and capacity

Global air pollution mitigation is severely underfunded, a crucial issue explored more below. But Martina Otto, head of UNEP’s CCAC, emphasized that governments need technical assistance as much as funding to help them set-up and maintain air quality monitoring systems that can enable effective enforcement, track clean air actions and identify new pollution sources.

This was echoed by Brazil’s National Secretary of Urban Environment, Adalberto Maluf, who outlined his country’s current efforts to implement air pollution standards including upgrading the national air quality monitoring network. The CCAC’s Clean Air Flagship, launched earlier this year, is a meaningful step toward meeting this need by mobilizing funds and fostering a community of practice where countries can learn from each other and share resources through the Air Quality Management Exchange.

3. We need to get better at tailoring our messaging

During her remarks, Valerie Hickey, Global Director for Environment, Natural Resources and Blue Economy at the World Bank, called for a fresh look at how we communicate about air pollution and its health risks, especially to those most affected. She gave an example of a farmer in Northern India who continues to engage in agricultural burning in full knowledge of the health risks, because he also knows that without it, he couldn’t earn enough to sustain his family.

In a second example, Hickey described a health minister who is told that every $1 she invests in cleaner air returns $9 in health benefits. While the Minister knows this is true in the long term, she has several more urgent needs where the $1 she has can return $2 or $3 right away. Throw in the pressure to deliver before a coming election—what would you do? Making the case for avoided loss doesn’t often move the policy or political decision maker. “We have to find the message that meets the person we’re speaking to,” concluded Hickey.

4. Companies are stepping up to track their emissions and implement reduction plans. More need to follow suit.

Many countries and some companies are developing greenhouse gas inventories to support plans to cut emissions and meet net zero goals. But few have integrated air pollutants into these assessments to address the tradeoffs and synergies. That’s why SEI created a guide to help companies track climate and air pollution emissions across their supply chains and design plans to reduce them. Research Associate in the Air Pollution Group, Eleni Michalopoulou, explained how SEI is partnering with Inter IKEA group, a member of the World Economic Forum’s Alliance for Clean Air, to do just that.

With SEI’s help, IKEA recently established a goal and detailed plan to reduce the company’s climate emissions by 50% by 2030. According to IKEA’s Head of Climate and Air Quality, Sriram Rajagopal, the company is evaluating its entire supply chain, from raw materials to product production, shipping and even end of life disposal. He says IKEA is on track to meet its goal and maybe even exceed it on key air pollutants such as PM2.5, black carbon, nitrogen oxides (NOx) and sulfur dioxide (SOx).

5. Some countries have already made great strides, and more are stepping up

Angela Churie Kallhauge, EDF’s Executive Vice President for Impact, opened the event by describing the immense progress that the city of Beijing has made on air pollution in recent years, going from smog to blue skies in little more than a decade. This example demonstrates the potential to cut pollution and drastically improve health in a short time frame as we continue to decarbonize. This is a differentiator for clean air action that our community can do a better job to highlight for leaders and funders.

We also learned about how Brazil has been taking significant steps to cut pollution. Sec. Maluf shared how the country recently approved its first ever national air quality program, which will commission a detailed emissions inventory, improve its national monitoring network and tighten air quality standards. EDF is assisting Brazil’s government in this effort by advising on the new standards, developing an integrated approach to managing climate and air pollutants and expanding our Air Tracker tool to its two largest cities, São Paulo and Rio de Janeiro.

6. Air quality funding isn’t likely to surge any time soon – it’s time to get creative

Jane Burston, CEO of the Clean Air Fund (CAF) brought another dose of reality to the conversation by sharing the results of CAF’s latest State of Global Air Quality Funding Report: Global financing for air quality projects saw a tiny increase in recent years, but remains dismally low at about 1% of global development and 2% of public climate funds. Burston echoed an important point made by Hickey from the World Bank: Air quality is unlikely to see a dramatic funding boost anytime soon, so we must find more creative ways to reallocate or repurpose money that’s already available to maximize benefits for clean air, climate and health. Both speakers shared a few thoughts for how to do this, including repurposing agricultural subsidies, providing seed funding to de-risk private sector investments, and strengthening our case to the philanthropic sector.

What’s next: This conversation brought a grounded optimism to the real progress we can make to tackle the global air pollution crisis. While low funding remains our greatest challenge, our messaging about the scope and urgency of the problem has broken through to countries, communities and increasingly companies around the world. Now it is incumbent upon us to translate what we know into meaningful, tailored stories and to focus on metric-driven solutions that can help redirect existing resources to deliver emissions reductions. By taking these next steps while approaching air pollution and climate change as the interrelated problems that they are, we can deliver tangible health benefits to a more people than ever in the coming critical years.

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New Air Quality Data Directory connects advocates with crucial data to advance clean air goals

The Air Pollution Data Directory is a filterable and searchable database of air pollution emissions datasets and associated tools intended to help demystify the process of finding and using relevant air quality data.

By Adrienne Parks, Analyst, Community Engagement

What’s new: A new tool from Environmental Defense Fund and partners is making it easier to connect clean air advocates with data to drive action. The Air Quality Data Directory is a filterable and searchable database of air pollution emissions datasets and associated tools intended to help demystify the process of finding and using relevant air quality data.

Why it matters: Air quality data is a powerful tool for driving change and validating communities’ lived experiences with pollution exposure. However, it isn’t always clear which datasets best answer specific questions or what data the public can access.

This data directory is a central hub that can help orient users to the world of air emissions datasets and tools. By applying filters to narrow down the many available datasets, advocates can identify which data source(s) can help advance a goal or solve a problem.

The aim of the directory is to help get the right data into the hands of advocates working to protect our health and climate. See below for an example of how a community-based organization in Texas uses databases that are found in our directory to inform and amplify their advocacy.

Data in Action – Air Alliance Houston’s AirMail Tool: Air Alliance Houston (AAH) is an advocacy organization working to reduce the health impacts of air pollution and advance environmental justice in the Houston area. AAH developed AirMail, a permit-tracking tool designed to help advocates monitor and take action on polluter permit notices in their communities.

What does AirMail do? AirMail tracks industrial permits as soon as they are submitted to the state regulator and triggers bilingual direct-mail campaigns to notify local residents. The tool helps fill gaps in the state’s community engagement efforts by calling attention to industrial polluters’ plans to expand operations.

What data does AirMail use? AAH developed a prioritization process that determines which permits AirMail focuses on by pulling in several datasets on air emissions: EPA data on facility-level greenhouse gas emissions, releases of toxic chemicals, modeled risk from toxic chemicals, facility compliance with environmental laws and more.

In addition to prioritizing facilities based on these datasets, AAH included qualitative data not already captured. It answered questions like:

  • Has a facility’s pollution caused well-publicized harms to a community?
  • Has it been in the news for fires, accidents, or other disasters? and
  • Are people paying attention to the health risks of added pollution?

How does AirMail inform advocacy? AirMail automatically generates postcards notifying residents of the potential pollution harms—and ways they can take action. Examples of these include submitting public comments and contacting state representatives to request a public meeting.

What’s next: EDF and partners will continue to build out this directory as new datasets and tools come online. If you’d like to see a specific resource added to our list, please reach out via this form or by email.

We would like to thank our partners and contributors who helped put this resource together. We could not have done it without your helpful feedback and advice along the way.

  • Air Alliance Houston
  • Tulane Environmental Law Clinic
  • The Data Center
  • WE ACT for Environmental Justice
  • The Climate Reality Project
  • Rocky Mountain Institute
  • Beyond Petrochemicals
  • Earthjustice
  • Healthy Gulf
  • Environment Texas
  • Environmental Integrity Project
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New State of Global Air report shows pollution’s deadly impact

The Health Effects Institute’s new State of Global Air 2024 report finds that air pollution ranks as the second leading risk factor for death worldwide.

Photo credit: Belle Co

What’s new: The Health Effects Institute’s new State of Global Air 2024 report finds that air pollution ranks as the second leading risk factor for death, including for children under 5. Yes, you read that right. Air pollution is now the second leading risk factor for death, contributing to an estimated 8 million deaths in 2021. That’s more than deaths due to poor diet and even tobacco.

Why it matters: The report further sounds the global alarm bell on the devastating health impacts of air pollution, contributing to heart disease, stroke, diabetes, lung cancer and chronic obstructive pulmonary disease (COPD). It analyzes air quality data and health impacts globally and details exposure levels and related health impacts of nitrogen dioxide (NO2), which is associated with vehicle traffic, a major global source of both poor air pollution and greenhouse gases.

Our take: While sounding a critical alarm bell on the urgency of this issue, the report also provides insights into where to focus solutions. Here are my top takeaways:

  1. The hardest hit are the oldest and youngest. Long-term exposure to PM 2.5 contributes to diseases including heart disease, lung cancer, chronic obstructive pulmonary disease (COPD), stroke, type 2 diabetes, lower respiratory infections and adverse birth outcomes that disproportionally impact the elderly and young. We need to target health prevention, education and emission reduction strategies to better protect these sensitive populations.
  2. There are disparities between nations. Populations from low- and middle-income countries are exposed to 1.3-4 times as much PM 2.5., and countries in South Asia and Africa face the highest disease burden. We need to direct the resources where the problem is greatest. Yet, according to the 2023 State of the Global Air Quality Funding report by the Clean Air Fund, only 1% of international development funding went towards air quality over the past 6 years. And from 2017-2021, the entire continent of Africa received only 5% of the total funding for air quality. The gravity of the air pollution health crisis demands a far deeper global investment given the tremendous health care costs of air pollution—which the World Bank has estimated at $8 trillion or 6% of global GDP.
  3. Climate change is making this worse. Many sources of air pollution also emit greenhouse gases, like tailpipe emissions from vehicles, worsening air quality as they warm the planet. Climate change intensifies droughts, contributing to severe wildfires and dust storms that increase fine particle pollution. Meanwhile, more frequent heat waves enable pollutants like nitrogen oxides to speed the formation of harmful ozone, exposure to which is increasing in many regions. The report underscores the connection between the climate crisis and its toll on human health. The connection between air pollution and climate change requires an integrated approach when assessing the benefits and costs of climate mitigation solutions, from reducing emissions from oil and gas operations to increasing public transit and switching to renewable energy sources.
  4. There is some good news. PM 2.5 levels seem to be stabilizing in some regions, and the disease burden from household air pollution has decreased. Further, there is progress in expanding the ability to measure and monitor air quality, especially in parts of the globe where little to no air quality monitoring was available on the ground. Understanding the sources and impacts of pollution at the local and regional scale is a critical step needed to better tackle harmful emissions.

The report points to progress in Senegal, South Africa, Morocco and Rwanda, where they are taking meaningful steps toward understanding local emissions and are improving their air quality monitoring networks. EDF is a partner in the Clean Air Catalyst program that is working in Nairobi, Kenya, Indore, India and Jakarta, Indonesia to expand air monitoring and management capacity and build partnerships to tackle significant sources of pollution, including that from transportation.

The State of the Global Air report is an important contribution to the global effort for clean air, providing robust analyses that indicate the severity of the problem and help inform where resources and solutions must be directed.

Air pollution is a global health crisis, and we have the solutions today that can improve the lives of millions and accelerate climate action.

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State of the Air Report shows America must work harder to fight pollution

Body of water under cloudy sky during sunset with air pollution venting from smoke stack.

What’s new: The American Lung Association released its annual State of the Air report last month, showing that climate change is making it more difficult to clean up our polluted air. About one-third of all Americans were breathing unhealthy air in 2023—a greater number than in year’s past, despite gains made through ever improving vehicle, industrial, and oil and gas

emissions standards. And while these air pollution trends are another indication that a warming planet is having a negative impact on our daily lives, we still have tools within reach that can help improve air quality for millions both in the United States and around the world.  

Why it matters: As the planet warms, and wildfires become more common, high levels of PM2.5 (fine particulate matter, or soot) are reaching into corners of the country previously considered safe from such smoke. The impacts can seem like a nuisance for healthy individuals, but for those with health problems, a series of days dominated by wildfire smoke can be dangerous or even deadly.

In addition, growing numbers of hot, sunny days combined with increasing instances of high-pressure areas create the perfect conditions for ozone. In the United States, the Clean Air Act has helped reduce the amount of ozone precursors in the air and is driving down the number of people exposed to the highest number of ozone days. That has helped reduce the number of people living in counties with a failing ozone grades. However, despite that improvement, these hot, stagnant days are having a substantial impact on counties. In fact, twice as many U.S. counties are seeing air quality decline than are seeing improvement due to unhealthy levels of ozone.  

Most ever days with worst levels of particle pollution

Graphic from 2024 State of the Air Report, Courtesy of The American Lung Association.

What we can do about it: EPA recently strengthened the annual fine particle (PM2.5) standard to 9 micrograms per cubic meter and announced plans to improve monitoring. And while U.S. standards are moving in the right direction, they still do not meet those established by the World Health Organization, set at 5 micrograms per cubic meter averaged annually. Many cities met the old standard but do not meet this new strengthened federal standard. These cities represent areas where residents have been breathing unhealthy air due to human activity—not wildfires.  

Here’s a list of both government and scientific ways we can combat air pollution: 

  • We can lower pollution in the air by reducing its components like NOx, hydrocarbons and volatile organic compounds (VOC)s, which are prevalent in both industrial activity and our cleaning supplies.   
  • We can conduct more studies of VOCs to determine how much they are contributing to poor air quality. 
  • We can use growing amounts of data to pinpoint hotspots, in order to better understand the sources of persistent pollution. These include data from new monitors that communities across the U.S. are now installing using the Biden administration’s Inflation Reduction Act funds, as well as from satellites, which cover areas of the country that are not monitored at all.  

Beyond those actions, we can take personal steps to stay safe on days with high ozone and soot levels, by purchasing relatively inexpensive air filters that can go from room to room, cleaning both pollutants and allergens. It’s also possible to track both dangerous smoke and soot levels using a variety of free websites and apps, like AirNow.gov. Tools like EDF’s Air Tracker can also help us see how pollution travels to better understand its sources and impacts.  

While it’s true that impacts from climate change pose new challenges to our efforts to curb pollution, with the help of new tools and data, we can overcome them.  

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Underfunding the fight against air pollution is a crisis we must tackle at UNEA-6 and beyond

Addressing the enormous funding disparity for clean air solutions is essential to achieving global health, climate, and sustainable development goals.

Addressing the enormous funding disparity for clean air solutions is essential to achieving global health, climate and sustainable development goals.

Air pollution affects almost everyone and carries severe consequences for public health, the environment and our climate, yet efforts to combat it are severely underfunded, especially in Latin America and the Global South. Less than 1% of development funding goes to air quality programming each year.

When leaders meet at the Sixth Session of the United Nations Environment Assembly (UNEA-6) at the end of February in Nairobi, we have the opportunity to demonstrate how investing in air quality programs is a no-brainer that will deliver huge economic, health and environmental dividends.

Ignoring air pollution is expensive: A staggering 7 million die prematurely each year due to air pollution. But this astonishing statistic barely scratches the surface of the problem. The morbidities from air pollution, including chronic respiratory diseases, cardiovascular conditions and mental health deterioration are also costly. According to the World Bank, the economic toll of health impacts from air pollution totals $8.1 trillion annually, equivalent to 6.1% of the global GDP.

A disproportionate burden on the Global South: Regions across the Global South face a disproportionate share of the air pollution crisis, further aggravated by severe underfunding. For example, the Latin America and the Caribbean (LAC) region received only 1% of all air quality funding spent worldwide between 2017-2021, according to a Clean Air Fund analysis. These areas, grappling with booming populations and escalating transport and industrial activities, confront unique challenges in combatting air pollution and are hindered by limited resources.

The link between air pollution and climate change: The connection between air pollution and climate change is intricate. Air pollution results from many of the same activities that are best known for emitting greenhouse gasses, such as fossil fuel-powered transportation, agricultural production and waste management. Cutting these emissions not only slows global warming but also improves immediate health outcomes by alleviating air pollution, offering enormous returns on investment for both human wellbeing and the climate.

Graphic source: The State of Global Air Quality Funding 2023, The Clean Air Fund

Graphic source: The State of Global Air Quality Funding 2023, The Clean Air Fund

The societal and economic benefits: Addressing air pollution globally—especially in the Global South—can revolutionize societal well-being and spur economic growth. Every $1 spent on reducing air pollution returns about $30 in economic benefits, according to the U.S. Environmental Protection Agency. Cleaner air leads to healthier communities, reduced healthcare costs, increased productivity and enhanced quality of life. It’s also a critical step toward achieving the Sustainable Development Goals (SDGs).

How key stakeholders can help: Every major sector will have a role to play if we are to tackle air pollution and achieve health, climate and sustainability objectives. Here is how.

  • Governments can help set a clean air agenda by prioritizing integrated clean air initiatives within national and subnational policies. This involves enforcing stringent emissions regulations, investing in sustainable infrastructure and allocating resources. Governments should also seek partnerships with the private sector to leverage additional resources and expertise. Aligning funding with regional priorities and international frameworks is also crucial for effective implementation.
  • Funders should lead the way in amending the funding imbalance by establishing dedicated financing mechanisms for new clean air projects and increasing access to climate and development funds. They can also help improve coordination between public and private sources to maximize impact per dollar and foster cross-sector collaboration.
  • Non-profit organizations are pivotal for raising awareness of the air pollution crisis and conveying the enormous economic, health and climate returns to clean air funding. Through strategic engagement with governments, funders, impacted communities and the private sector, the global civil society community can also strengthen the case for more equitable deployment of clean air funding across regions.
  • The private sector is vital for combating air pollution by striving to reduce emissions and investing in clean technologies. The World Economic Forum’s recent collaboration with the Clean Air Fund offers a sound example of how a joint endeavor with governments and civil society can help achieve universal clean air. Initiatives like this can empower businesses to contribute resources and innovation, promoting sustainable supply chains and assisting companies to meet emission reduction targets.

New opportunities: The Climate and Clean Air Coalition’s Clean Air Flagship announced at COP28 and the Draft Resolution on Air Pollution expected at UNEA-6 later this month represent big steps in the global collaboration against air pollution. While helping coordinate collective action, these initiatives must be accompanied by an unrelenting call for increased funding. The overwhelming economic, public health and environmental returns on such an investment should feature heavily in that call.

As we gear up for UNEA-6, recognizing the intertwined nature of air pollution, public health and climate change is crucial. Expanding funding and concerted action is not just an environmental or health necessity; it’s a moral imperative for the well-being of current and future generations. Now is the time for urgent, coordinated action to protect our planet and ensure clean air for all.

Sergio Sánchez is the Senior Policy Director of Global Clean Air for EDF Health, working globally to implement air pollution abatement policies and climate change mitigation strategies.

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As UK workers return to offices, here are tips for building managers to prevent a rise in energy costs and air pollution

Following COVID-19 lockdown measures, many people went from working in offices to being unemployed or furloughed or working from home. We don’t yet know what future working behaviour looks like in the UK, but there are strong indications that many people will continue to work from home, even if there are no longer pandemic-related concerns.

New research by Future Climate for Environmental Defense Fund Europe examines how this shift could impact air pollution from heating, cooling and powering homes and offices, offering recommendations for how offices can keep emissions from rising as workers return.

Pollution from homes and offices

The pandemic has laid bare one of the by-products of modern living: the air pollution created by our day-to-day activities. Air pollution has a detrimental impact on health and is attributable to the early death of thousands of people in the UK.

Much has been said about how the lockdown-related reduction in traffic and congestion in UK towns and cities led to lower levels of nitrogen dioxide (NO2) pollution. We have not heard as much about the pollution that comes from buildings – namely air pollution created by the way we heat and power our homes and businesses.

Across the UK, NO2 pollution from heating and powering buildings is one of the main sources of air pollution alongside road transport, manufacturing and construction. Proportions vary depending on where you are in the country and in some areas building emissions are the main source. For example, in central London buildings are the largest source of NO2 emissions – 10% higher than emissions from road transport.

An increase in home working

Data reveals that those working from home in the UK went up from 6% in January 2020 to 41% in April. Although many people were no longer going into offices, office energy consumption shrank by only 16% during that time.

With more people at home, the use of boilers in domestic settings also increases, resulting in higher NO2 emissions from residential buildings. The research by Future Climate estimates that NO2 pollution from the average home could increase by 3-5% on average. In London, where there is a higher proportion of home workers, the increase could be as much as 7%, which could result in higher gas bills as well.

Returning to the office

As restrictions ease and those of us who have been unable to work or have been restricted to working from home return to offices, people are looking at how we can do so safely.

Ventilation guidance – intended to make buildings safer to reduce the chance of virus transmission – could lead to a rise in energy usage if not managed well and, in turn, a rise in pollution. For example, the guidance advises facility managers to avoid energy-saving settings and to run ventilation units two hours before office use. Carbon Intelligence, sustainability experts that help companies move toward zero-carbon, estimates that these sorts of measures could increase energy demand in offices by 70-90%.

Additionally, since office energy consumption only went down slightly during lockdown measures, it is likely consumption will return to normal levels or higher – even before you consider the ventilation guidance.

Carbon Intelligence highlights short-term recommendations for facility managers to reduce heat and energy needs, operating costs and pollution, including:

  • Ensure that scheduling of heating and ventilation systems match the building’s occupancy, e.g. reducing operation during out-of-office hours.
  • Ensure that boiler combustion systems are calibrated to maximise efficiency at low firing rates during times of reduced demand.
  • In less occupied areas, consider providing comfort heating with standalone units (e.g. radiant heaters or fans) to avoid the need for central heating/cooling plant operation.

A healthier future

With many offices buildings still not back at full occupancy, this could also be a good time to think more long-term and invest in low-pollution heating systems. Heat-pumps, geo-thermal energy and solar collectors are all supported by the government’s non-domestic renewable heat incentive and have zero local emissions.

In the recovery from COVID-19, everyone wants safe ventilation and cleaner air to stay healthy. Changing dynamics likely mean more people working from home in the UK, while offices use the same or more heat and power even with fewer people. By taking short and longer-term measures to prevent a rise in air pollution, building and facilities managers can help protect people’s health.

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