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A primer on extreme recycling

Buenos Aires boasts earth-saving customs

Eco-living tips from Mr. Green

American Idol runner-up Adam Lambert loves his new hybrid

Video: Documentary filmmaker Ken Burns on our national parks

'Fruitless fall'

Political Habitat: A heap of trouble

The Whole Earth Catalog Effect

Buying new puts the boo in books

Noteworthy novels

Video: Cameron Diaz on Leno