All you need is a mushroom cloud machine.
Why ruin a perfectly nice beachfront property?
Seriously, I don't think there is a permanent, long-term solution without taking actions that are an anathema to civilized Western countries. See Jordan in the 1970s.
It was barely a day after the IDF left areas of Gaza that Hamas started public executions of suspected "Collaborators with Israel" and other Gaza citizens were dancing in the streets.
Just a thought, I wonder if we could declare a part of Antartica as the new "Palestinian Homeland" build a nice little habitat, deport them en masse and periodically air drop food and clothing. (sarcasm off)