Sand art on San Francisco's Ocean Beach

"Loop" renovation transforms Williamsburg residence

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

Bibi Seck's 'Taboo' Collection is produced from plastic bags and bottles

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