Two engineers, one Palestinian and one Israeli, unite to bring renewable energy to embattled region

Other countries dominate hot market for green tech

Cirque du Soleil founder snaps transcendental images of Earth from space

Money pours into to windy patch of rural Oregon

The Windy City readies itself for a warmer future

Longtime environmentalist Yann Arthus-Bertrand snaps the Earth from above

Dems block measure to to speed up oil leases off the U.S. coast

Home improvement giant buys stake in rooftop solar start-up

Landmark ICPCC report says supply of renewable power can meet global demand