| Title | Age |
|---|---|
| Rise water level | 8 years, 38 weeks and 3 days |
| Solar activity | 8 years, 41 weeks and 5 days |
| Aerosols and soot | 8 years, 43 weeks and 4 days |
| Greenhouse Gases | 8 years, 44 weeks and 11 hours |
| 1.........Global warming | 8 years, 44 weeks and 2 days |
| Title |
|---|
| Rise water level |
| Solar activity |
| Aerosols and soot |
| Greenhouse Gases |
| 1.........Global warming |