http://www.cea.fr/jeunes/mediatheque/animations_flash/les_energies/energie_et_effet_de_serre http://www.youtube.com/watch?v=FWIToKukV3o&feature=related http://www.youtube.com/watch?v=T8TZ_1w3uLY&feature=related http://www.youtube.com/watch?v=s9RORhDw84s...