Power to the people: Occupy Wall Street uses bikes to generate energy | The Lookout - Yahoo! News

When fully charged--after about 6 hours of pedaling--the battery might provide power for around 100 hours, Stephan estimated. It'll be used to power laptops, cellphones, and other devices being used by the protesters.

Why don't gyms hook dynamos up to all the cycling/rowing machines?

To clarify, a skilled in-shape cyclist generates about 300 watts of power. If they cycle for an hour, that's 300 watt-hours of energy. Electricity is about 12 cents per kWh, so that's 3.6 cents of electricity.

'Snowtober' fits U.N. climate change predictions - latimes.com

Federal climate scientists have labeled 2011 as one of the worst in American history for extreme weather, with punishing blizzards, epic flooding, devastating drought and a heat wave that has broiled a huge swath of the country.