With the world already facing a dearth of energy and fossil fuels, environmentalists are in an effort to devise new sources of power that not only give us an alternate fuel source but do that without heating our planet. With every passing year these efforts just keep on swelling and we see some conventional and some not so conventional ways of generating electricity. What seems crazy or insane today might just get a bit more realistic and common when there is no other way left to sustain our crazy electronic lives. The year 2008 saw some similar concepts and ideas that rocked the world. Here are 20 such green ideas that we saw this year:
