Features

As Ocean Oxygen Levels Dip, Fish Face an Uncertain Future

By Nicola Jones

INTERVIEW

This Zambian Took on a U.K. Mining Giant on Pollution and Won

By Jocelyn C. Zuckerman

Avian Flu Outbreaks in Marine Mammals Mark New Era for Deadly Virus

By Andrew S. Lewis

INTERVIEW

Finland Drained Its Peatlands. He’s Helping Bring Them Back

Hippos Are in Trouble. Will an Endangered Listing Save Them?

By Adam Welz

Long Reviled as ‘Ugly,’ Sea Lampreys Finally Get Some Respect

By Ted Williams

ANALYSIS

As Projects Decline, the Era of Building Big Dams Draws to a Close

By Jacques Leslie

New Research Sparks Concerns That Ocean Circulation Will Collapse

By Fred Pearce

A Golden Spike Would Mark the Earth’s Next Epoch: But Where?

By Christian Schwägerl

INTERVIEW

Deep in the Heart of Texas, an Uphill Fight for Clean Air for All

By Beth Gardiner

Pricing Nature: Can ‘Biodiversity Credits’ Propel Global Conservation?

By Zach St. George

For Uganda’s Vanishing Glaciers, Time Is Running Out

By John Wendle

Interview

For Your Phone and EV, a Cobalt Supply Chain to a Hell on Earth

By Jocelyn C. Zuckerman

RETROSPECTIVE

Unheralded Environmentalist: Jimmy Carter’s Green Legacy

By Kai Bird

As Enforcement Lags, Toxic Coal Ash Keeps Polluting U.S. Water

By Austyn Gaffney

Lauded as Green Model, Costa Rica Faces Unrest in Its Forests

By Fred Pearce

Averting Crisis, Europe Learns to Live Without Russian Energy

By Paul Hockenos

How Indigenous People Are Restoring Brazil’s Atlantic Forest

By Jill Langlois

The East Coast Whale Die-Offs: Unraveling the Causes

By Andrew S. Lewis

In Cambodia, a Battered Mekong Defies Doomsday Predictions

By Stefan Lovgren

As Millions of Solar Panels Age Out, Recyclers Hope to Cash In

By Jon Hurdle