Costa Rica poised to become world's first fossil fuel-free country
May 11, 2018, 1:39 p.m. by Matt Hickman
The Central American nation's new president makes a bold pledge.
As U.N. makes history on Earth Day, Leonardo DiCaprio reminds us not to rest on laurels
April 22, 2016, 2:31 p.m. by Russell McLendon
More than 170 world leaders signed the Paris Agreement on Earth Day 2016, but that's just the beginning.
The cars people want aren't the ones that are good for them
March 25, 2016, 9:19 a.m. by Jim Motavalli
At the New York Auto Show, carmakers reveal the difficult balancing act.
25% of all deaths linked to pollution and environmental degradation
March 18, 2016, 7:42 a.m. by Sami Grover
Environmentalism isn't just about saving nature; it's about saving lives.
The case for fossil fuel divestment is economic, not just moral
February 17, 2016, 11:04 a.m. by Sami Grover
In the long run, fossil fuel investments are an increasingly risky bet. And investors are beginning to take note.
Carbon dioxide could soon be transformed back into liquid fuel
December 28, 2015, 4:06 p.m. by Bryan Nelson
What if we could turn our fuel emissions back into fuel?
Asteroid with a 13-mile-high mountain is now visible to the naked eye
Is fasting good for you?
Mystery of Maryland's bald eagle deaths solved
What are those green gems in Kilauea's lava?
7 fantastic facts about Portuguese man-of-war
Dog with the saddest face wouldn't let anyone near him at the shelter