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?
The moment this street dog recognizes his long-lost owner is pure joy
These California succulents are at the center of a massive smuggling ring
6 weird things dogs do when they poop
Why is American cheese falling out of fashion?
12 optical illusions that will blow your mind
In 1972, a computer model predicted the end of the world — and we're on track