After a 400-Year Absence, A Rare Ibis Returns to European Skies

By Christian Schwägerl

How Eating Seaweed Can Help Cows to Belch Less Methane

By Judith Lewis Mernit

At Last, the Shipping Industry Begins Cleaning Up Its Dirty Fuels

By Maria Gallucci

Basement Preservationists: Can Hobbyists Save Rare Fish from Extinction?

By Adam Welz

As Subsidies Wane, Market Forces Drive the Growth of Renewables

By Vaishnavi Chandrashekhar

Analysis

After Years of Green Promises, Automakers Renege on Emissions Standards

By John DeCicco

Interview

After the Storm, Puerto Rico Misses Chance to Rebuild with Renewables

By Katherine Bagley

Waste Heat: Innovators Turn to an Overlooked Renewable Resource

By Nicola Jones

How Seeds from War-Torn Syria Could Help Save American Wheat

By Mark Schapiro

Where Water is Scarce, Communities Turn to Reusing Wastewater

By Jacques Leslie

Native Knowledge: What Ecologists Are Learning from Indigenous People

By Jim Robbins

Can ‘Vaccines’ for Crops Help Cut Pesticide Use and Boost Yields?

By Richard Conniff

Transportation

End of the Road: Are Diesel Cars on the Way Out in Europe?

By Paul Hockenos

Why Green Groups Are Split on Subsidizing Carbon Capture Technology

By Richard Conniff

Interview

Urban Darwinism: How Species Are Evolving to Survive in Cities

By Diane Toomey

Energy Hogs: Can World’s Huge Data Centers Be Made More Efficient?

By Fred Pearce

With a Green Makeover, Philadelphia Is Tackling Its Stormwater Problem

By Bruce Stutz

Conservation

For Endangered Florida Tree, How Far to Go to Save a Species?

By Janet Marinelli

To Move Paris Accord Forward, Bring Cities and Companies On Board

By Daniel C. Esty and ​Peter Boyd

Urban Heat: Can White Roofs Help Cool World’s Warming Cities?

By Fred Pearce

Europe Takes First Steps in Electrifying World’s Shipping Fleets

By Paul Hockenos