Title: Efecte hivernacle
Course: Geografia de 2n batxillerat

En relació l'efecte hivernacle ten una gran quantitat d'informació. Una mostra:

http://www.youtube.com/watch?v=EbUcKRDuf2A&feature=related

http://www.youtube.com/watch?v=OqniUG8hAV8&feature=related

http://www.youtube.com/watch?v=5HsAWNqdcdg&feature=related

http://www.youtube.com/watch?v=iaax6eB-60Q&feature=related

http://www.youtube.com/watch?v=NirEvUCU8JM&feature=related

http://www.youtube.com/watch?v=JHBv6-66bew&feature=related

http://www.youtube.com/watch?v=40hG940ttsc&feature=related

http://www.youtube.com/watch?v=3--m9-c2psU

http://www.youtube.com/watch?v=hwRm3RGqWtY&feature=related