- Climate Change 4
- Climate Change/Climate Change Impacts 4
- Science, Humanities and Social Sciences, multidisciplinary 4
- Science, multidisciplinary 4
- Climatology 3
- Environment, general 3
- Environmental Law/Policy/Ecojustice 3
- Geophysics/Geodesy 3
- Oceanography 3
- Astronomy, Observations and Techniques 1
- Coastal Sciences 1
- Earth Sciences, general 1
- Remote Sensing/Photogrammetry 1