Readers' International Day of Climate Action Photos

Emma Grady
Science / Reader's Photos
October 25, 2009

1 of 34
350 climate action photo
1 of 34

From the Hollywood Hills to London's South Bank, TreeHugger readers and writers sent in photos from International Day of Climate Action/350--when atmospheric concentrations of carbon dioxide reach 350 ppm, global warming is dangerously out of control-- events worldwide. Keep checking back we'll be updating this slideshow as they come in. Submit your 350 photos below.

Submit Photos

Image credit: Vanessa Ryder