onEarth
The planet is our beat.
Overcoming the Ick Factor
How do you get people to drink recycled wastewater? It might be a problem for psychologists, not engineers, to solve.
Shell Game
The Department of the Interior says there’s a 75 percent chance of a major oil spill in the Arctic—and it’s willing to take that chance.
A Melting Arctic and Weird Weather: The Plot Thickens
Arctic warming could be the driving force behind wacky winter weather that just won't go away.
Back to Nature
Two boys on opposite sides of the Iron Curtain joined forces to build an eco-corridor that runs through the heart of Europe.
Pyroprocessing: A Hot-Button Issue
Is recycling always a good idea—what if we’re talking about radioactive waste?
Lord of the Tree Rings
Benjamin Cook looks at ancient trees to forecast future droughts. His latest findings are not good news for the West.