1366 Technologies raises $20 million to fund a cheaper path to solar power.

4,000 square foot living wall unveiled in Pennsylvania.

Sustainable seating out of Southeast Asia.

Mojave Desert facility will be California's first solar thermal project in two decades.

60-foot sailboat built from plastic bottles docks in Sydney.

Japanese "solar sail" propelled by the sun.

26-hour flight confirms viability of emissions-free air travel.

L.A. artist creates sublime monuments from discarded materials.

Alex Kovatchev finds a useful function for old washing machine drums.