Climate change is going to lead to a mass exodus of people from flooded areas and i do think migration and free movement played a part in why many voted for Brexit even though many people deny the claim.
Rising sea levels are going to have a far greater effect on the UK than on much of continental Europe. Our grandchildren might have been grateful for freedom of movement.
There remains a lot of world open to travel, tourism, work, study and leisure
Ireland. When it comes to work and study, we still have Ireland, thank goodness.