Global Warming

Here are a few links to understand what global warming is.

Ì http://wwf.panda.org/about_our_earth/aboutcc/how_cc_works/

Ten surprising effects of global warming...

A doomsday scenario

I advise you to watch the whole series of videos ( National Geographic) on Youtube.

1. http://www.youtube.com/watch?v=2_ZQRIsn2pA
2. http://www.youtube.com/watch?v=P-0_gDXqYeQ
3. http://www.youtube.com/watch?v=6rdLu7wiZOE
4. http://www.youtube.com/watch?v=skFrR3g4BRQ
5. http://www.youtube.com/watch?v=7nRf2RTqANg  ( the above video)
6. http://www.youtube.com/watch?v=O8qmaAMK4cM