350 Climate Action, San Francisco, California, 2009
People write personal messages an oversized postcard addressed to President Obama asking him to "Please listen to what scientists say about global warming, not what carbon polluters say." Hundreds of people gathered in downtown San Francisco for 350.org's International Day of Climate Action, October 24, 2009. Greenpeace, Mobilization for Climate Justice, and many others helped put on the local event. California, USA