Watch this video!

It was created by Greg Craven, a high school teacher in Oregon. You may have your own opinion about global warming, but you can't argue with this man's logic. "What's the worst that can happen?" Have you ever said that? I'm sure I have in the last week! Well, that's the basis for this 9 minute video.

At the conclusion of the video, Mr. Craven shares what is so powerful about the Web 2.0 world in which we live: "In today's information age, you can change the culture. You CAN help change public policy and remarkably, some times just a few mouse clicks is all it takes to start an avalanche."

Read more about this video in an article on the USA Today website.