![](https://www.discovery.org/m/2023/04/cosm-2022-steve-koonin-title-screen-1600x900.jpg)
Unsettling Climate and Energy
Steven Koonin, theoretical physicist and Undersecretary of the US Department of Energy in the Obama Administration, examines the scientific evidence regarding of claims that climate change will bring about catastrophic effects to the planet if large and rapid reductions in greenhouse gas emissions are not made.