The Endangered Penguins - Waves of the World (sitios de interés)
Descripción del sitio
http://www.youtube.com/watch?v=B3pt7m4B0_4These penguins may seem like they are having fun. But actually they are endangered. One of their main threats is global warming. Which is caused by the sun's rays which are getting trapped in the green house gas layer which is their because of our bad gases that we use and are let out year after year.