| Parent | |||
|---|---|---|---|
Biology 36M papers | Geology 9.5M papers | Ecology 8.1M papers | Oceanography 2.5M papers |
Climate change 514k papers | Greenhouse gas 180k papers | Kyoto Protocol 8,760 papers | |
| Current | |||
United Nations Framework Convention on Climate Change 2,664 papers | |||
| Child | |||