A drinking fountain that pulls water from the air and a chicken coop designed for urban homes are just two of the offerings at the 2009 Green Festival in San Francisco, called the “World’s Largest Environmental Expo.” (Nov. 16)

Check out these solar roofing slates that allow you to create your own energy at home. Watch more at planetgreen.discovery.com

The Museum of Science and Industry’s Steven Beasley takes us on a tour of Smart Home’s many gadgets.

Save some green while improving your golf game with this solar powered golf cart! Watch more at planetgreen.discovery.com