1. Lamont‐Doherty Earth Observatory Columbia University Palisades NY USA
2. Cooperative Programs for the Advancement of Earth System Science University Corporation for Atmospheric Research Boulder CO USA
3. Department of Atmospheric Sciences University of Washington Seattle WA USA
4. Union of Concerned Scientists Cambridge MA USA
5. Department of Geosciences University of Massachusetts Amherst MA USA
6. School of Oceanography University of Washington Seattle WA USA