Clean Energy
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.
The future of battery technology is in the air
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.
Helping to power homes in El Salvador
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.
Energy project links Central to South Asia with more than electricity
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.
Asia’s largest rail network goes solar with U.S. help
The United States is supporting India with its ambitious clean energy program, including this solar rooftop project in partnership with Indian Railways.
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.
A promising approach boosts oil production — cleanly
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.
How one school system is going solar
A small Indiana town has always relied on the sun to grow crops but now will count on it to power schools.
Everything is big in Texas, including wind power
It only took a few years — and good planning — to make big oil producer Texas the leader in U.S. wind energy.