This story originally appeared on Grist and is part of the Climate Desk collaboration. There’s a specter hanging over the COP24 climate talks, happening this week in the small city of Katowice, Poland. It’s not the goalpost-moving report that the U.N.’s Intergovernmental Panel on Climate Change released two months ago about the need to limit warming to 2.7 degrees Fahrenheit (instead of 3.6 degrees). It’s not the conspicuous absence of prominent U.S.