1. Department of Earth and Planetary Sciences McGill University Montreal QC Canada
2. Division of Geological and Planetary Sciences California Institute of Technology Pasadena CA USA
3. International Arctic Research Center University of Alaska‐Fairbanks Fairbanks AK USA
4. Department of Geological Sciences and Bolin Centre for Climate Research Stockholm University Stockholm Sweden
5. Department of Environmental Sciences Rutgers University New Brunswick NJ USA
6. Department of Biology Case Western Reserve University Cleveland OH USA
7. Department of Genetics Institute of Life Sciences, Hebrew University of Jerusalem Israel
8. Department of Earth and Planetary Science University of California, Berkeley CA USA