This isn't about climate change so much as remediating [hu]man-made environmental damage. And you thought the Salton Sea was bad.
Israel shares
Mer Morte with Jordan. They are both desperate for fresh water. Falling sea water could power desalination plants if people could get along.
That's a geologically hostile stretch from the Red Sea to the Dead Sea -- it's fault line all the way! But it sounds to me like a job for the Boring Company.