If you can, watch this video with the english subtitles: https://www.youtube.com/watch?v=DnTzsWM_gbQ https://www.youtube.com/watch?v=DnTzsWM_gbQ It's a great s

If you can, watch this video with the english subtitles: https://www.youtube.com/watch?v=DnTzsWM_gbQ https://www.youtube.com/watch?v=DnTzsWM_gbQ It's a great short investigation in the numbers, and how damaging different source of energies have been.