U.S. embassies' air-quality monitoring is providing environmental data around the world. Learn how this monitoring helps people protect their health.
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.
Three large U.S. cities have used new technology and environmentally friendly policies to help their residents breathe easier.
A new U.S.-backed initiative is promoting innovative ways to integrate nuclear power into carbon-free and renewable energy systems.
It may be counterintuitive, but a new law could make fossil fuel companies leaders in kicking carbon capture into the mainstream — and helping the environment.
Catching carbon soot in car exhaust, Anirudh Sharma of MIT discovered a way to recycle pollution into something beautiful: Air Ink.
More cities across the world are experimenting with driverless vehicles on public streets. Las Vegas and Paris plan to deploy some later in 2017.
With the largest fleet of natural gas buses in the U.S. — about 2,200 — Los Angeles has become a leader in cutting carbon emissions.
Once a declining industrial metropolis with steel mills spewing black smoke and soot into the sky, Pittsburgh has transformed itself into a vibrant green city.