| Contributor: | |
| Keywords: | Environment, Carbon Dioxide, Carbon, Global Warming, Photosynthesis, Tree, Pollution, Carbon Footprint, Oxygen ...more |
| Downloads: |
|
| Views: | 4784 |
| Uploaded on: | 05-20-09 © peter howell |
| Also in: | 3 Lightboxes |
| Source codec: | HD: Photo JPEG |
| Length: | 20.83 seconds |
| Anamorphic: | No |

