Why the Luster on Once-Vaunted ‘Smart Cities’ Is Fading

By Jim Robbins

Why Putting Solar Canopies on Parking Lots Is a Smart Green Move

By Richard Conniff

UN Climate Summit

Major UN Climate Pact Is Reached, But Deal Does Not Put World on Target

Water War: Is Big Agriculture Killing Brazil’s Traditional Farms?

By Daniel Grossman

Opinion

As Warming and Drought Increase, A New Case for Ending Big Dams

By Jacques Leslie

Pollution Watch

More Eyes on Polluters: The Growth of Citizen Monitoring

By Jon Hurdle

Opinion

From Homes to Cars, It’s Now Time to Electrify Everything

By Saul Griffith

Ozone Pollution: An Insidious and Growing Threat to Biodiversity

By Jim Robbins

As the Climate Bakes, Turkey Faces a Future Without Water

By Paul Hockenos

Can the World’s Most Polluting Heavy Industries Decarbonize?

By Fred Pearce

Turning Hog Waste into Biogas: Green Solution or Greenwashing?

By Melba Newsome

Once a Rich Desert River, the Gila Struggles to Keep Flowing

By Jim Robbins / Photography by Ted Wood

Urban Refuge: How Cities Can Help Solve the Biodiversity Crisis

By Janet Marinelli

Europe’s Drive to Slash Plastic Waste Moves Into High Gear

By Paul Hockenos

Cities Confront Climate Challenge: How to Move from Gas to Electricity?

By Jonathan Mingle

In Europe, a Backlash Is Growing Over Incinerating Garbage

By Beth Gardiner

The Oil Well Next Door: California’s Silent Health Hazard

By Judith Lewis Mernit

Interview

Stealth Chemicals: A Call to Action on a Threat to Human Fertility

By Jon Hurdle

How Paving with Plastic Could Make a Dent in the Global Waste Problem

By Ann Parson

Water Warning: The Looming Threat of the World’s Aging Dams

By Fred Pearce

In a Refinery’s Ashes, Hope for an End to Decades of Pollution

By Jon Hurdle