David Wallace-Wells writes about climate change for New York Magazine.

Joan Marc Simon, Executive Director of Zero Waste Europe, works on a wide range of projects and policy are

Walter Kaelin is a Swiss international human rights lawyer, legal scholar, and presently the Envoy of the Ch

Danika Billie Littlechild is from the Ermineskin Cree Nation in Treaty 6 territory in Alberta.

Dr. Ayana Elizabeth Johnson is a renowned marine biologist.

Adrianna Quintero is the Director of Diversity, Equity, and Inclusion at the Energy Fou

Author bio: Merit E. Janow

Author bio: Bill McKibben

Alex N. Halliday is the Director of Columbia University’s Earth Institute.