What -- and who -- are actually causing climate change?

This graph, brilliantly put together by the World Resources Institute, illustrates just why energy management is the integral piece of the climate change jigsaw. 

Energy accounts for roughly 75% of all emissions of green house gases. And in the US, as one of the largest polluters, we are making positive steps to reduce waste and increase efficiency. But this is a perfect reminder of the position we're in and leaves no doubt about where our efforts need to be applied. 

Via Fast Company: What-- and who --- are actually causing climate change