McCarthy made the promise on Fox News last week, in what appeared to be, at the time, a last-ditch attempt to win hardliner support for the debt-limit deal.

As conditions that best support life shift toward the poles, more than 600 million people are already living outside of a crucial “climate niche,” facing more extreme heat, rising food scarcity and higher death rates.

Nearly every major recent anti-administration case has come through this pipeline.