Sep 20, 2013

New battery turns sewage into electricity

U.S. scientists may have found a new way to produce clean energy by way of dirty water, according to a new study. The engineers have developed a more efficient method to use microbes to harness electricity from wastewater. They hope their technique can be ...

Feb 19, 2013

Finns share leftovers to slash waste

Jukka Peltonen has just come home from the shop with a bag of mandarin oranges, but he is disappointed to discover they’re too acidic for his taste. Instead of throwing them out, Peltonen, the head of a PR firm, offers them to his neighbors ...

Recycling gives trashed cigarette butts new life

Feb 5, 2013

Recycling gives trashed cigarette butts new life

Recycling entrepreneur Tom Szaky is stubbing out the world’s cigarette problem — one butt at a time. The 30-year-old who dropped out of Princeton University to start his innovative firm, TerraCycle, in Trenton, New Jersey, says there is no such thing as trash, even ...