The evidence mounts for long-ago microbes in a vanished body of Martian water
Greenhouse gas emissions have been rising, but warming has plateaued in recent years. It turns out the heat is likely being absorbed by the ocean depths.
40 years after a Mideast oil embargo decimated the U.S., the country is awash in new supplies of energy, from oil to natural gas to solar. But that abundance could make fighting climate change harder
Our computers and smartphones might seem clean, but the digital economy uses a tenth of the world’s electricity — and that share will only increase, with serious consequences for the economy and the environment
Outside of the developing world, nuclear energy is on the retreat, thanks largely to the spiraling costs of new atomic plants. But innovative reactor designs could change the equation
China is burning almost as much coal as the rest of the world combined. We won’t solve global warming until that changes
Up close, an electric vehicle is clearly cleaner than a gasoline-powered car. No matter how efficient a combustion engine becomes—and some gasoline-powered cars can be very efficient—it still, well, combusts, spewing carbon and other exhaust gases into the atmosphere. But nothing at all comes out the tailpipe of an electric car. It’s …