We aren't the only creatures who polluted the atmosphere and forever changed life on Earth.
The Arctic ice floats on the ocean, the Antarctic ice over land and sea, meaning that they melt different. But they're both melting.
The more people who can show these claims for what they are -- wrong, willfully or otherwise -- the better.
Photographer Matt Johnson traveled to Colorado in June 2013 and shot time-lapse footage of the West Fork Complex Fires.
There's less and less ice covering the Arctic every year, and the ice that's left is getting thinner. This is a very bad sign.
Once unleashed, junk science is hard to tamp down. Here's an easy-to-understand video debunking one of the most common climate-denier claims.