The Imperiled Inland Sea
Twenty years ago, scholar W. D. Williams predicted the loss of salt lakes around the world.
Why the Belowground Ecosystem Matters
Trees get all the credit. But for biodiversity, look down, too.
A Century After They First Appeared, Electric Boats Are Making a Comeback
In the late 1800s, electric boats were a promising new technology. They are now enjoying a revival.
Salamanders Crossing: This Way to the Vernal Pool!
They may look like random puddles, but some states are building million-dollar tunnels to direct wildlife to these seasonal refuges.
Starving Killer Whales Are Losing Most of Their Babies
The southern resident killer whales of the northeast Pacific are in trouble. As habitats and food dwindle, they increasingly miscarry and lose their babies.
How Many People Does it Take to Wreck an Ecosystem?
A relatively small number of people are required to destroy and ecosystem