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rudatron posted:Define 'collapse'. The worst effects of climate change are a drop in precipitation, a shift in where the arable land is, a drop in total arable land, and water shortages. Rising sea levels aren't that big of an issue. Sea level rise is a massive threat to even developed nations. Not enough to cause anything that might be described as a "collapse," but basically all of the major economic centers in the US are vulnerable to knock-on effects from it. Miami is a dead city walking at this point and that's going to happen before sea levels ever get high enough to flood the streets. The cost of protecting, say, New York is going to be non-trivial.
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Apr 4, 2017 17:37
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Owlofcreamcheese posted:It's a sea level rise measured in feet per century. It does not pose an existential risk to new york city. It's not that kind of threat. As usual, you really have no idea at all what you're talking about. NYC isn't going to sink and that isn't the problem. Even relatively small increases in sea level put parts of the city that were never threatened by flooding at risk, and combined with increased precipitation that makes the entire city significantly more vulnerable to severe weather effects than it has been in the past. This is an expensive and non-trivial problem to solve. For a city like Miami where seawater infiltration is the larger threat it is literally an unsolvable problem. For areas that are less economically important, policies of managed retreat are going to be the only real options. None of this is Mad Max apocalyptic fantasy. You're immediately jumping to this strawman argument about cities sinking when that isn't and never has been the problem. Miami and NYC are threatened by inches of sea level rise, not feet.
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Apr 4, 2017 18:38
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