President and Chief Executive Officer of Occidental Petroleum, one of the worlds largest fossil fuel companies. We speak with Vicki about how she feels about climate change and why, what it is like to work towards climate action within the fossil fuel industry, how lonely a position that can be,...

Professor of Atmospheric Sciences at the University of Illinois Urbana-Champaign. Author of multiple IPCC reports, and co-lead for the 4th US National Climate Assessment published under the Trump Administration in 2018. We speak with Don about his emotional journey over almost half a century in...

Whitmore-Williams Professor of Psychology at the College of Wooster. Member of the APA task force on psychology and global climate change. Landmark contributor to the field of climate and environmental psychology, and IPCC chapter lead for the 6th Assessment Report. We speak with Susan about why...