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Startups Try To Reroute Food Waste To The Hungry

Startups like Food Cowboy, founded by Richard and Roger Gordon, see wasted food as a business opportunity. Some, like CropMobster, are using Craigslist or Twitter so that people who have crops or surplus they can't use, can post the availability to others who can divert it to better use.

New Technology Creates Solar-Powered Landfills

Landfills are a constant reminder of the waste we produce, but a new innovation could throw out the notion of a "dump" by turning them into productive solar power dynamos. In Georgia, a landfill generates renewable energy while covering nine million cubic yards of municipal solid waste with solar panels.

Students and Post-it Notes Help Schools Cut Their Energy Bills

Simple yellow Post-it notes with the message "When not in use, turn off the juice," pointedly left on classroom computers, printers and air-conditioners, have helped New York public schools save $350,000 annually on utility bills. Other ideas have also achieved greater and greater energy savings.