Humanity’s impact on Earth’s natural systems is affecting the quality of the air we breathe.
Air pollution is attributed to natural sources like dust storms, and human activities like vehicle emissions, industrial processes, burning wood, and power plants. Inhaled particulate matter (e.g., PM2.5) can penetrate deep into the lungs, causing respiratory issues, heart disease, and other health problems, especially for vulnerable populations. Biomass burning for agriculture in places like equatorial Asia is driving sharp increases in particulate air pollution and associated morbidity and mortality. In some regions, air pollution has become so pervasive that it obscures the sun, altering regional weather patterns, reducing agricultural yields, and accelerating glacial melting.
In addition to particulate pollution, warmer temperatures associated with climate change increase the formation of tropospheric ozone, a main constituent of smog and contributor to cardiorespiratory disease. Warmer temperatures and higher atmospheric carbon dioxide concentrations are associated with longer pollen seasons and increased pollen production, intensifying allergic respiratory diseases, such as asthma.
Air-pollution deaths are substantially more likely in low- and middle-income countries.
Browse the resources below to learn more about air quality and ways to protect the air we breathe.
“… pollution control is highly cost-effective and, because pollution, climate change, and biodiversity loss are closely linked, actions taken to control pollution have a high potential to also mitigate the effects of those other planetary threats.”
– Lelieveld et al. Pollution and health: A progress update
Researchers Develop Groundbreaking Method to Turn Air Pollution into Useful Material: ‘Significant.’ Yahoo! News.
Scientists have developed a groundbreaking way to turn air pollution into plastic, a process that could help clean the air, cut down on waste, and provide new raw materials without relying on dirty fuels.
Cradle to Grave: The Health Toll of Fossil Fuels and the Imperative for a Just Transition. Global Climate & Health Alliance.
The report is the first global overview of the health harms of fossil fuels across their entire lifecycle and the human lifespan. From toxic exposures during extraction to pollution-related disease, the findings call for governments, health professionals, and civil society to accelerate a just, equitable transition away from fossil fuels. Available in English, Spanish, Portuguese, and French.
Quantifying the short-term mortality effects of wildfire smoke in Europe: A multicountry epidemiological study in 654 contiguous regions. The Lancet Planetary Health.
The article highlights how fine particulate matter (PM2·5) from wildfire smoke could be more harmful to human health than that from other sources.