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.
Have you ever wanted to play guitar like Jimi Hendrix? Now is your chance! April is International Guitar Month. Let's celebrate by learning new chords, playing our virtual guitar and getting some musical inspiration.