Earth Hour is March 31st at 8:30PM

If you are unfamiliar with Earth Hour, it is a global event organized by the WWF (World Wildlife Fund) that began in Australia in 2007. It has grown into a worldwide phenomenon with the goal of raising awareness towards the need to action on climate change. To learn more about Earth Hour, click on the WWF's 2012 Earth Hour webpage.
 

The library also has several great Teen Non-fiction books you can check out to learn more about the issues surrounding climate change.  Here are three good ones:

Sno-Isle's Science databases page is also an excellent place to begin researching this topic.  And don't forget that your local librarian is always eager to help you learn about any topic you may be interested in as well!