After Noah’s flood receded, God promised Noah that, “As long as the earth endures, seedtime and harvest, cold and heat, summer and winter, day and night will never cease” (Genesis 8:22). If cold and heat remain, that rules out the possibility of runaway global warming, and I doubt that He chooses to show us this mercy due to the wisdom of environmentalists.
Here’s a great documentary on the real cause of rising or falling global temperatures–the sun. It also discusses the devastating effect of extremist environmental policies for those who have no access to electricity.
Please forgive the French subtitles and the old earth references.