An interview with Michael Mann: “There’s reason to be optimistic”…

The publication of the Hockey Stick curve almost served as an exclamation point. It occurred in the wake of the warmest year we’d ever seen in recorded history, 1998. But that recorded history only went back a century or so. We were able to provide a longer term context. The curve told a simple story. You didn’t need to understand the physics or mathematics of how a theoretical climate model works to understand what it was telling you.