The Secret to Making Concrete That Lasts 1,000 Years

Scientists have uncovered the Roman recipe for self-repairing cement—which could massively reduce the carbon footprint of…

Pliocene-Like Monsoons Are Returning to the American Southwest

As carbon concentrations rise, conditions are becoming more like they were 3 million years ago, when…

Sunny-Day Flooding Is About to Become More Than a Nuisance

Sea level rise will soon combine with a host of other environmental factors to produce dozens…

What a 1900s Wildlife Survey Reveals About Climate Change

A century ago, a biologist counted California's desert animals. Now researchers are retracing his steps—and the…

A Bold Plan to Save the Last Whitebark Pines

The high-altitude tree is vital to its ecosystem, but it’s being decimated by a fungus. Its…

The Cost of Rising Seas: More Than $400 Billion (and Lots of Angst)

Coastal US cities will need massive new infrastructure to protect against climate change—and someone has to…

Who will pay for the huge costs of holding back rising seas?

From Boston to Miami, government officials are only beginning to grasp the enormous expense that will…