Growing coffee
Suppose the climate does all but go to... It would be yet another opportunity to exercise the few brain cells that we, as a species, have... There are other mountain ranges, e.g. The Himalayas, that just might remain above water... Also, genetic (re)engineering should be up to the task of producing sea level coffee plants more than soon enough regardless of whether the oceans rise or fall... Even if nothing happens with the environment, we should figure out how to deal with it, anyway--just in case... LOL.