Bangkok Post January 14, 2020
The models suggest scientists have for decades consistently underestimated the warming potential of CO2.
<<https://www.bangkokpost.com/world/1835479/new-climate-models-suggest-paris-goals-may-be-out-of-reach>>
Excerpts
PARIS: New climate models show carbon dioxide is a more potent greenhouse gas than previously understood, a finding that could push the Paris treaty goals for capping global warming out of reach, scientists have told AFP.
The most influential projections from government-backed teams in the US, Britain, France and Canada point to a future in which CO2 concentrations that have long been equated with a 3C world would more likely heat the planet’s surface by four or five degrees.
“Right now, there is an enormously heated debate within the climate modelling community,” said Earth system scientist Johan Rockstrom, director of the Potsdam Institute for Climate Impact Research.
“You have 12 or 13 models showing sensitivity which is no longer 3C, but rather 5C or 6C
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Exposing the Big Game 