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.
The San Francisco Bay island of Alcatraz, formerly a high-security prison, is now a tourist destination with its own renewable-energy system.
View some of President Obama's travels to other countries. He met dignitaries and people in all walks of life and saw treasured spots.
A year has passed since nearly 200 countries came together to adopt the historic Paris agreement on climate. Check out what has happened since then.
New solar technology could help provide cheap power to many of the 600 million people in Africa who currently lack access to reliable electricity.
Bill Gates and 20 of the world's top entrepreneurs have a plan for investing in great ideas. They aim to revolutionize the clean energy sector.