For one, plants don't build cities, so if we have to deal with sea level rises than that's a problem for our buildings. The same with any increase in natural disasters: it's easier for a tree to grow again after a hurricane than it is to rebuild an electrical grid.
We could deal with it, the issue is that civilisation entails cooperatively working to deal with it as opposed to going to war and killing everyone the second your crops fail.
We could deal with it, the issue is that civilisation entails cooperatively working to deal with it as opposed to going to war and killing everyone the second your crops fail.