World Scientists’ Warning of a Climate Emergency

[1 ]Department of Forest Ecosystems and Society at Oregon State University, in Corvallis

[2 ]School of Life and Environmental Sciences at The University of Sydney, Sydney, New South Wales, Australia

[3 ]Conservation Biology Institute, Corvallis, Oregon, and with the African Climate and Development Initiative, University of Cape Town, Cape Town, South Africa

[4 ]The Fletcher School and the Global Development and Environment Institute, Tufts University, Medford, Massachusetts