Infographic: A Timeline of Earth's Average Temperature

https://cdn0.vox-cdn.com/thumbor/iQ5p32zcG-UEL_g80Z9imb9hTXk=/800x0/filters:no_upscale()/cdn0.vox-cdn.com/uploads/chorus_asset/file/7087239/earth_temperature_timeline.png via /r/Infographics https://www.reddit.com/r/Infographics/comments/5y1u2h/a_timeline_of_earths_average_temperature/?utm_source=ifttt