Frogs and Pollution
http://blip.tv/play/gYBm0PBcAg.x?p=1
Amphibians are indicator species. Because of their sensitive permeable skin, scientists use amphibians to gauge the overall health of the worldwide ecosystem that we all share. So with nearly half of the world’s amphibian populations in decline, we’re all potentially in big trouble. But there are simple things you can start doing today to help.
The above film was made by Jen Grace from Montana State University
I love frogs