Planetary Boundaries coordinator Sarah Cornell Email: sarah.cornell@stockholmresilience.su.se Phone +46 (0) 73 707 8580 Planetary Boundaries research initiative strategy leaders: Johan Rockström Executive Director, Stockholm Resilience Centre Email: johan.rockstrom@stockholmresilience.su.se Phone + 46 8 674 72 00 Katherine Richardson Professor, Sustainability Science Center, University of Copenhagen. Email: KARI@science.ku.dk Phone: +45 35324285, +45 28754285 Will Steffen Professor, co-theme leader for Global Environmental Change, Stockholm Resilience Centre and Director of the ANU Climate Change Institute, Australian National University.Email: will.steffen@anu.edu.au Phone +61 404 074 593, +61 2 6125 6599