Michael Mann, Professor of Atmospheric Science and Director of the Earth System Science Center at Penn State University and co-author of The Madhouse Effect: How Climate Change Denial Is Threatening Our Planet, Destroying Our Politics, and Driving Us Crazy. The President of the USA should read the landmark “2020” report now published by Mission 2020, a group of experts convened by the former Executive Secretary of the United Nations Framework Convention on Climate Change. The report establishes a timeline for how we can ensure a safe and stable climate. We don’t have much time — 2020 is a clear turning point.
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