“Weather isn’t climate.” Now that we’re once again in the grips of Polar Vortex or Arctic Blast or whatever we’re calling it this time, you’re going to hear that refrain a lot. “Weather isn’t climate.” And that’s true, of course — until it isn’t. Over a long enough timespan, weather IS the climate. If your tropical beachfront property has had a century of temperate seasonal weather, complete with snowstorms and summer dry spells, it would probably be a mistake to keep calling it tropical. Things change. Climate typically changes slowly, but it does change. There are ancient tropical ferns and...
