Next year, a new tunnel under Lake Mead will begin delivering water to Las Vegas. The project is massive, expensive, politically fraught—and a harbinger of things to come.
Arctic climatologist Konrad Steffen has spent 18 consecutive springs on the Greenland ice cap, personally building and installing the weather stations that help the world's scientists understand what's happening up there. And what's happening may be much worse than anyone thought possible
Reconstructing sea level history for the first time
Updates for climate change resilience may allow communities like Miami Beach to survive the century, but they're costing millions of dollars
The cold, hard facts
Some of the most common maps don't accurately depict Earth's surface. But it's not for lack of trying.
The free software from Google gives scientists a new world view
The latest assessment from the Intergovernmental Panel on Climate Change, released in full online today, details what we can and cannot predict about global warming.
Popular Science is inside the U.N., where 150 heads of state are talking global warming. Will they put momentum behind an international treaty in 2015?
The industry and the F.A.A. say the climate effects of flying civilians into space will be negligible, but some scientists fret about the accumulation of black carbon in the stratosphere.
Let this map of U.S. states scaled by volume above sea level guide you to your water-damaged, dystopian home of the future.
See where Earth is heating up.
An awesome, disorienting look at kitty vision.
Bring a bathing suit, kids, we're going to the Jefferson Memorial.
Alan Burns made a fortune in the oil business. But as oil wanes, he's convinced that clean energy will be—must be—the next big thing. And so this inventor has poured his fortune into a challenge far greater than finding new oil deposits: extracting energy from the ocean
And it's on the same scale as parts of the Grand Canyon!
Anatomy of a fact check.
Operation Ice Bridge will be the most extensive aerial survey ever of Antarctica
We've rounded up 2014's most mind-blowing images for your viewing pleasure
It's tough luck for the two other towns trying to claim the title
The nation's satellites document environmental threats around the globe. So why is the future of earth observation in peril?