In the somber wake of COP15, it's easy to feel disheartened with the environmental movement and the world's failure to make the effort necessary to combat climate change.
Climate change, without question, emerges from the 2000s as the cause of the environmental movement. The decade has seen other big changes too and, as we enter 2010 and beyond, it is important to take stock of how far we have come. Otherwise, there is no good way to know how much farther there is to go.
Do you have comments on this slideshow? Leave them here.
Image credit: america.gov/Flickr