Reduction efforts have lost. Deniers have successfully turned global warming into an issue of identity politics, not of science. Once something is within the re

Reduction efforts have lost. Deniers have successfully turned global warming into an issue of identity politics, not of science. Once something is within the realm of identity politics, there's no going back. We should continue to shout loudly that reduction is needed, but we need a Plan B asap. Counting on politics to turn in our favor is a losing cause.