Leaders of the world's top industrial nations say the world must go carbon-free if growth and prosperity are to continue.
Green bonds are an attractive way to finance renewable energy. Issuers of green bonds can pay lower interest rates than borrowers carried by bank loans.
More than 30 nations are taking up a clean energy challenge to deliver greener, more affordable and reliable light and power where it's needed.
The United States is adopting more renewable energy sources. Wind could meet 35 percent of the nation’s electricity demand by 2050.
A number of communities are working toward 100 percent renewable energy. Their stories show that economic growth and climate action are linked.
Climate change is a security threat, and the commander in chief of the U.S. military services tells new officers they're on the front line.
In many U.S. coastal towns, sea level rise caused by climate change is happening right now. Scientists are looking at ways to protect seaside communities.
In the last decade, U.S. energy production grew 24 percent while energy consumption steadily declined.
Arctic sea ice covered less of the northernmost waters in 2015 than at any time in more than 30 years, U.S. scientists say.