Should there still be any naysayers or fence-sitters here we have this handy graphic from grist.org. You can click to enlarge it. I love what they had to say so much I couldn’t say it better so here’s the quote:

“There is a set of phenomena we would see happening if human-emitted greenhouse gases were causing climate change. There is a set of phenomena that are happening. THEY ARE THE SAME PHENOMENA. That is all.”

For more info on how we know we’re causing global warming visit skepticalscience.com

Src: grist.org