Dumb celeb quotes
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.
Decorating your home for the holidays brightens the season. But those lights need power, and you may notice a difference in your electricity bill.