Yes, that's exactly right. Sure, if it gets warmer than one place currently just right will be too warm, but might there be another place too cold which is now

Yes, that's exactly right. Sure, if it gets warmer than one place currently just right will be too warm, but might there be another place too cold which is now just right? Although maybe there aren't enough places of the right altitude at the right elevations, with the right rainfall in new conditions. Also, 'he,' not 'they.' :-)