Michael Mann at Science March “Policy based on Scientific Evidence!”

Watch the video here https://www.bitchute.com/video/UnT4xy6DKQc/ On Earth Day, April 22, Penn State’s Michael Mann spoke in front of the large crowd of the March For Science in Washington DC. The official March For Science website https://www.marchforscience.com The Madhouse Effect: How Climate Change Denial Is Threatening Our Planet, Destroying Our Politics, and Driving Us Crazy https://www.amazon.com/Madhouse-Effect-Threatening-Destroying-Politics/dp/0231177860