Scientists are rethinking what we knew about a vanished ice sheet — and that could spell trouble for New York City.

Note: My web hosting service does not like the ridiculously long URL on this one. Here it is: https://www.livescience.com/planet-earth/climate-change/a-long-lost-antarctic-ice-sheet-could-predict-the-future-of-new-york-city-one-in-which-lower-manhattan-and-coney-island-are-perpetually-submerged

Even experts struggle to make accurate predictions. So, what does that say about our visions of the future? And what, according to research, can be done about it?