Hansen Disconnect: Says CO2 past is prologue, but NOAA disagrees

James said during today’s BBC interview:

Our understanding of how sensitive the climate system is based on the Earth’s history, not on climate models. We have good data on how the Earth responded in the past when carbon dioxide changed and other forcing factors changed. So there’s no reason to change any forecasts for the long term.

But NOAA just said that last time CO2 was at 400 ppm, the temperature was a lot warmer and sea level was 10-20 meters higher.

2 thoughts on “Hansen Disconnect: Says CO2 past is prologue, but NOAA disagrees”

  1. “So there’s no reason to change any forecasts for the long term.” That’s another way of saying, “Our near-term forecasts were falsified, but we’re still hopeful”.

  2. But our CO2 is now officially at 400ppm and the ocean is still where it is supposed to be. I don’t understand!!!!

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