We have collective power to make change."
To register for the San Francisco Climate Challenge, or to see a list of sponsors, prizes, and energy-saving tips, go to www.sfclimatechallenge.org. Or attend this upcoming event to learn more: ClimatePalooza, Fri/Oct. 19, 7 p.m., $12 or free with sign up for the SF Climate Challenge, at the Swedish American Hall, 2170 Market, SF. Live music by Ryan Auffenberg, Hyim, Valerie Orth, Sheldon Petersen, and Pixie Kitchen. Call (415) 861-5016 for more information. *
Comments, ideas, and submissions for Green City, the Guardian's weekly environmental column, can be sent to email@example.com.