Michael Mann

Award-winning climate scientist and central figure in the debate over climate change. Director of the Penn State Earth System Science Center.

  • Creator of the “Hockey Stick” temperature graph, an icon in the intense political battle over human-caused climate change and what to do about it
  • His contributions, with other authors, led to the IPCC’s Nobel Peace Prize
  • Director of the Penn State Earth System Science Center
  • Author of Dire Predictions: Understanding Global Warming and the newly released edition of The Hockey Stick and the Climate Wars with an additional chapter updating the story, and a guest foreword from Bill Nye “The Science Guy.”

Michael Mann The Hockey Stick and the Climate WarsMichael Mann Dire Predictions