TED's internationally-focused flagship event announces its thought-provoking theme

Jeff Himmelman on the shifting solar landscape

Take a first look at the massive, 43,000 square-foot farm at the Brooklyn Navy Yard

This serene property in Glassell Park seems a world away from Los Angeles

Totally cosmic land works inspired by biology and space

Green features abound in this five-bedroom, ocean view dream home

This tiny floating dwelling is big on sustainability

Big surprise: Portland is number one

86 year-old reintroduced indigenous giant toirtoises to the island he bought in 1962