| GLOBAL WARMING AND CLIMATE CHANGE EXPLAINED | |
| Description: Global warming refers to an increase in the Earth’s average surface air temperature. Global warming and cooling in themselves are not necessarily bad... |
| Reportajes de la BBC de Londres | |
| Author / publication date: BBC ,Feb 12, 2010 | |
| Description: "Tres reportajes imprescindibles producidos por la prestigiosa cadena periodística inglesa, BBC, que muestran cómo los procesos climáticos... |