Clean Air

Sun seen through haze above city (© Gemunu Amarasinghe/AP Images)

The United States works with Thailand to improve its air

Air pollution affects countries across Southeast Asia. Learn more about how the U.S. and Thailand are working together to reduce pollution.
Cars on road at sunset (© Artens/Shutterstock)

Reducing vehicle emissions in the U.S. [infographic]

The transportation sector is one of the largest sources of carbon pollution. See how the U.S. government and auto industry are lowering emissions.
Aerial view of coal plant (© Du Yu/Xinhua News Agency/eyevine/Redux)

China’s energy development model exports pollution

China's government is financing coal-fired power plants in developing countries, exporting environmental pollution around the world.
Woman in face mask walking in smog in front of buildings (© Andy Wong/AP Images)

China’s air pollution harms its citizens and the world

China is the world leader in mercury and greenhouse gas emissions, posing significant risks to China's citizens and the environment.
Screen image of ZephAir app with wind symbol and mountains in distance (State Dept.)

New U.S. air-quality app helps users avoid pollution

A new U.S. air-quality app provides users around the world with information to reduce their exposure to harmful air pollution.
City viewed from above (© Gianfranco Vivi/Shutterstock)

U.S. air-quality monitoring protects people worldwide

U.S. embassies' air-quality monitoring is providing environmental data around the world. Learn how this monitoring helps people protect their health.
Male and female hiker walking through giant redwood forest (© Shutterstock)

America has deep roots in reforestation

Did you know that reforestation programs have been around in the United States for more than 100 years? Learn about that legacy and how it helps the world.
Man on a skateboard walking his dog in the street (© Chris Carlson/AP Images)

Learn how air quality improved in these cities

Three large U.S. cities have used new technology and environmentally friendly policies to help their residents breathe easier.
Country road at sunset (Shutterstock)

Nuclear power’s growing role in a clean energy future

A new U.S.-backed initiative is promoting innovative ways to integrate nuclear power into carbon-free and renewable energy systems.