A new report says there's more evidence than ever that humans are causing global warming. Here's a look at climate change by the numbers.
The United Nations has released a benchmark study on climate change that further strengthens the suspicions many scientists already have -- that humans are making the Earth warmer which, in turn, is having disastrous impacts on everything from weather to sea levels.
Insight Film Studios
Sign up for Breaking News, Daily Headlines, Severe Weather Alerts & more!