| Title | Age |
|---|---|
| Rise water level | 7 years, 26 weeks and 1 day |
| Solar activity | 7 years, 29 weeks and 3 days |
| Aerosols and soot | 7 years, 31 weeks and 1 day |
| Greenhouse Gases | 7 years, 31 weeks and 5 days |
| 1.........Global warming | 7 years, 31 weeks and 6 days |
| Title |
|---|
| Rise water level |
| Solar activity |
| Aerosols and soot |
| Greenhouse Gases |
| 1.........Global warming |