South America's biggest and wealthiest city is waiting for the rain. If it doesn't come soon, São Paulo could run out of water before 2015....
Powered by the sun, and storing energy in lithium batteries, two pilots flew this historic plane 35,000 kilometers around the world.
In 2007, Homer developed a plan to identify and resolve the city’s key climate-related vulnerabilities. Others are trying to replicate Homer's success.
Many people are vulnerable to rising sea levels due to climate change. Are there lessons to be learned from New Orleans' recovery from Hurricane Katrina?
Americans love to compete. It might be baseball, or basketball or...green power? Beginning in 2013, a number of U.S. cities stepped up to the...
The YALI Network began a campaign among young Africans that bridged online enthusiasm and real-world action on how climate change affects their communities.
The technology of the future may soon be at your fingertips. Researchers at Cyclotron Road are creating a new generation of clean-energy technologies.
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.
U.S. and China, who produce 38 percent of the world's carbon dioxide emissions, have joined the Paris accord to keep the Earth's temperature from rising.