How Cities Compost Mountains of Food Waste
New York City amps up food recycling, while San Francisco shows the way.
The Ethical Flap Over Birdsong Apps
Bird-watchers are using the songs on their smartphones to lure birds. But the result could be bad karma for the birds.
Whisky a Go Go: Can Scotland's Distillery Waste Boost Biofuels?
Scotland''s whisky industry churns out a sobering amount of waste, but it may eventually feed a heady biofuels market if Celtic Renewables'' plans succeed.
Restoring Trees to Save the World''s Rarest Parrot
National Geographic explorer Steve Boyes talks about his work to pull the Cape parrot back from the brink of oblivion.
Electrofuels: Charged Microbes May "Poop Out" a Gasoline Alternative
Run current through genetically engineered microorganisms, and they produce gasoline substitute. Can U.S.-funded electrofuels research finish the drive from lab to market?
Antarctic''s Ice Shelves Melting From the Bottom Up
Ice shelves lose more mass through melting where the ice meets the sea than by shedding icebergs, a new study says.
The NSA Data: Where Does It Go?
Massive data centers can store the equivalent of 250 billion DVDs. What might that look like?
American West Becoming Increasingly Dusty
Dust storms are increasing in number in the U.S. What does having more dust in the air actually mean?
What''s Behind the New Warning on Global Carbon Emissions?
The world is on track to dangerous global warning, but some solutions could be implemented quickly, says International Energy Agency.