Climate

Barriers are going up rapidly as border projects and livestock farming increase, but they impede wildlife migrations and genetically isolate threatened species.

A 1970 storm that killed half a million people became a flashpoint for political upheaval in Pakistan—and ultimately brought America and Russia to the brink of war.

Extreme weather, from floods to wildfires, is increasingly hammering ports, highways, and factories. It’s expected to get worse.

Europe's efforts to avoid Russian energy imports will likely trigger a short-term spike in coal, and environmentalists are concerned.

A new study finds that turbines can muddle ships' navigational systems, obscuring the location of smaller boats or creating misleading images on radar screens.

A chilling new report predicts a foot of sea level rise in the US by 2050. But quirks of physics mean everyone will suffer in different ways.

In an increasingly thirsty world, scientists warn that the rare creatures living in our groundwater are at risk.

More than half of the sea now logs temperatures once considered extreme, threatening countless species, livelihoods, and the air we breathe.

Satellites spot troubling signals that may portend a transformation from rainforest to savanna, with profound implications for the planet.

Climate change and overgrazing are destroying the plants on which the Mexican long-nosed bat depends. Now, an initiative is trying to restore the balance.

Soaring temperatures are rapidly thawing permafrost, leading to huge sinkholes called thermokarst. Northern fires are making the situation even worse.

Parts of Colorado, Utah, California, and the Pacific Northwest could be without snow for years at a time in just a few decades.