From Canadian Coal Mines, Toxic Pollution That Knows No Borders

By Chloe Williams

A Fracking-Driven Industrial Boom Renews Pollution Concerns in Pittsburgh

By Nick Cunningham

In Germany, Consumers Embrace a Shift to Home Batteries

By Paul Hockenos

As High-Tide Flooding Worsens, More Pollution Is Washing to the Sea

By Jim Morrison

Piling Up: How China’s Ban on Importing Waste Has Stalled Global Recycling

By Cheryl Katz

For a Warming World, A New Strategy for Protecting Watersheds

By Jacques Leslie

CRISIS ON THE COLORADO: PART V

Restoring the Colorado: Bringing New Life to a Stressed River

By Jim Robbins / Photography by Ted Wood

Analysis

How the Trump Administration Pulled Back on Regulating Toxic Chemicals

By Eric Lipton

CRISIS ON THE COLORADO: PART IV

In Era of Drought, Phoenix Prepares for a Future Without Colorado River Water

By Jim Robbins / Photography by Ted Wood

Development

The Hidden Environmental Toll of Mining the World’s Sand

By Fred Pearce

Crisis on the Colorado: Part III

Running Dry: New Strategies for Conserving Water on the Colorado

By Jim Robbins / Photography by Ted Wood

Crisis on the Colorado: Part II

On the Water-Starved Colorado River, Drought Is the New Normal

By Jim Robbins / Photography by Ted Wood

Opinion

A Highway Megaproject Tears at the Heart of New Guinea’s Rainforest

By William Laurance

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

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

By Vaishnavi Chandrashekhar

Analysis

How China’s Big Overseas Initiative Threatens Global Climate Progress

By Isabel Hilton

Water

In India, Nature’s Power Overwhelms Engineered Wetlands

By Fred Pearce

Interview

Coastal Warning: An Unwelcome Messenger on the Risks of Rising Seas

By Gilbert M. Gaul

From High Above, A New Way of Seeing Our Urban Planet

By Katherine Bagley

Analysis

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

By Jacques Leslie

Interview

Understanding How Elephants Think Is Key to Protecting Them

By Richard Schiffman