Boot Camp for Ordinary Fish
Hatchery-reared fish can help boost struggling populations, but fish raised in captivity are ill-prepared for life in the wild. Scientists have a plan to change that.
Freshwater
Latest in Freshwater
Trial by Fire
In the burn-scarred mountains of Southern California, a team of biologists fights to help an imperiled frog.
The Art of the Catch
To bulk up for winter hibernation, Alaska’s brown bears employ a range of techniques for snaring salmon.
The Trouble with Tamarisk
Twenty-five years ago, land managers unleashed a beetle to control an invasive tree sucking rivers dry. But water levels haven’t risen—and the real villains are still causing trouble.
Death by a Thousand Dams
Tens of thousands of small barriers hamper fish recovery in the northeastern United States. But while the demolition of big dams out west gets the most attention, a similar revolution is revitalizing northeastern streams and rivers—one tiny dam at a time.
The Ghosts of Conservation Past
A look back at the United States’ outsize influence on global conservation reveals why the latest funding cuts should come as no surprise.
In the Wake of the Storm
A scientist tracks how cuts to federal funding are reshaping coastal communities, research, and species management in Alaska.
The Fight for the Heart of the U.S. Environmental Protection Agency
One year after the Trump administration threw the EPA into chaos, former employees continue to push back—and to dream of an agency reborn.
A Mysterious Salmon-Killing Affliction is a Mystery No More
In California, scientists tracked the source of a severe vitamin deficiency that’s killing endangered fish.
The Rwandan City Where Wetlands Are Winning
To save its citizens from floods, Kigali is betting big on wetland restoration.
Trial by Fire
In the burn-scarred mountains of Southern California, a team of biologists fights to help an imperiled frog.
The Art of the Catch
To bulk up for winter hibernation, Alaska’s brown bears employ a range of techniques for snaring salmon.
The Trouble with Tamarisk
Twenty-five years ago, land managers unleashed a beetle to control an invasive tree sucking rivers dry. But water levels haven’t risen—and the real villains are still causing trouble.
Death by a Thousand Dams
Tens of thousands of small barriers hamper fish recovery in the northeastern United States. But while the demolition of big dams out west gets the most attention, a similar revolution is revitalizing northeastern streams and rivers—one tiny dam at a time.
The Ghosts of Conservation Past
A look back at the United States’ outsize influence on global conservation reveals why the latest funding cuts should come as no surprise.
In the Wake of the Storm
A scientist tracks how cuts to federal funding are reshaping coastal communities, research, and species management in Alaska.
The Fight for the Heart of the U.S. Environmental Protection Agency
One year after the Trump administration threw the EPA into chaos, former employees continue to push back—and to dream of an agency reborn.
A Mysterious Salmon-Killing Affliction is a Mystery No More
In California, scientists tracked the source of a severe vitamin deficiency that’s killing endangered fish.
The Rwandan City Where Wetlands Are Winning
To save its citizens from floods, Kigali is betting big on wetland restoration.