People are changing the world in Copenhagen

Scientists have warned that the world’s commitments so far fall short of what is needed to keep global temperature increases below 2 degrees C (3.6 degrees F) above pre-industrial levels and head off the worst of global warming. They say global warming will create rising sea levels,  increasing drought, more extreme weather and the extinction of some species. Here’s a look at images coming out of Copenhagen and a few from around the globe.