Outdoor book installation in Belgium offers reading material in open air

An illusory mountainscape installation 'invisibly cast' in draped plastic

New figures from the Energy Information Administration show clean energy growth over the last decade

A road trip to California's rugged central coast

Big surprise: Portland is number one

Urban agriculture takes root at a community garden in the German capital

Conservation group American Rivers urges support for clean water protection

Beautiful shots on film from the young Australian photographer

From Weichlbauer Ortis Architects, a green home M.C. Escher would admire