Go to the continent with more water so they can live in a place with more water (as they can't bring the water back - it's too big and too heavy).
The people in continent Y are likely to use extreme violence to stop this from happening, like we see today in the Mediterranean sea where thousands of people are murdered every year.
Make their problem everyone else’s problem.
Go to the continent with more water so they can live in a place with more water (as they can't bring the water back - it's too big and too heavy).
The people in continent Y are likely to use extreme violence to stop this from happening, like we see today in the Mediterranean sea where thousands of people are murdered every year.