Three large U.S. cities have used new technology and environmentally friendly policies to help their residents breathe easier.
Batteries from the U.S. that rely on zinc and air may be the future of renewable energy. Eight countries in Africa, Asia and the Americas are using them.
El Salvador's growing energy demands will be met, in part, with 10 new solar energy plants that the U.S. is helping to finance.
Two countries in Central Asia have electricity to spare, while two neighbors need more power. Learn how all four countries are cooperating on CASA-1000 to solve both problems.
The United States is supporting India with its ambitious clean energy program, including this solar rooftop project in partnership with Indian Railways.
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.
A small Indiana town has always relied on the sun to grow crops but now will count on it to power schools.
It only took a few years — and good planning — to make big oil producer Texas the leader in U.S. wind energy.