From the tropics to to the poles, from small islands to large continents, in big cities and small towns, climate change is happening
Smart actions can protect our food supply, our drinking water, our quality of life and the jobs of millions of people. But we must act now. It will cost too much later on.
This is why activists, celebrities and policy makers from around the world are showing their support for climate action in this new video ahead of the UN #Climate2014 Summit.