Crisis on the Colorado: Part I

The West’s Great River Hits Its Limits: Will the Colorado Run Dry?

By Jim Robbins / Photography by Ted Wood

As Disease Ravages Coral Reefs, Scientists Scramble for Solutions

By Ret Talbot

In India’s Fast-Growing Cities, a Grassroots Effort to Save the Trees

By Vaishnavi Chandrashekhar

Water

In India, Nature’s Power Overwhelms Engineered Wetlands

By Fred Pearce

As Polar Bear Attacks Increase in Warming Arctic, a Search for Solutions

By Gloria Dickie

Sparing vs Sharing: The Great Debate Over How to Protect Nature

By Fred Pearce

Analysis

After a Long Boom, an Uncertain Future for Big Dam Projects

By Jacques Leslie

‘Rhino Coin’: Can a Cryptocurrency Help Save Africa’s Rhinoceroses?

By Adam Welz

Escalator to Extinction: How Mountain Species Are Imperiled by Warming

By Richard Conniff

Opinion

Why Brazil’s New President Poses an Unprecedented Threat to the Amazon

By Philip Fearnside

Is Warming Bringing a Wave of New Diseases to Arctic Wildlife?

By Ed Struzik

Interview

Understanding How Elephants Think Is Key to Protecting Them

By Richard Schiffman

Redrawing the Map: How the World’s Climate Zones Are Shifting

By Nicola Jones

Extreme Botany: The Precarious Science of Endangered Rare Plants

By Janet Marinelli

Beetle Mania: The Nasty Insect That Is Killing the Trees of Johannesburg

By Adam Welz

Conflicting Data: How Fast Is the World Losing its Forests?

By Fred Pearce

How Wildfires Are Polluting Rivers and Threatening Water Supplies

By Ed Struzik

Interview

A Global Ban on Fishing on the High Seas? The Time Is Now

By Richard Schiffman

In the Heart of the Corn Belt, an Uphill Battle for Clean Water

By Mark Schapiro

Opinion

Why We Must Save the Endangered Species Act from the Trump Administration

By Bruce Babbitt

The Ongoing Disgrace of South Africa’s Captive-Bred Lion Trade

By Adam Welz