April 22nd: Earth Day!

Today is Earth Day, that is to say a day to remember we have to protect the planet!

Check out these links to learn a bit more about this day:

http://www.foxnews.com/science/2013/04/22/hug-tree-5-fun-facts-about-earth-day-152621009/

http://science.nbcnews.com/_news/2013/04/22/17864089-happy-earth-day-from-above-earth?lite

http://www.earthday.org/

http://en.wikipedia.org/wiki/Earth_Day

http://www.youtube.com/watch?v=2UywrjnOaUE