Imagine the cool now-forested Gros Ventre mountains east of Jackson Hole, or the Gallatins, Madisons, Bridgers, Absaraokas, Winds, Tobacco Roots, Gravellys and Crazies looking like this in 50 years. Under climate change predictions, most forests will burn and conditions will be so hot that forest succession as we know it—and being taught in forestry schools—will cease to exist.