In order to stop it, roughly $10 trillion dollars worth of fossil fuel assets will need to be left in the ground. As a historical parallel, the economic value (inflation adjusted) of the slaves in the southern US before the civil war was $10 trillion dollars.
The people who owned those slaves opted to fight the most destructive war the planet had seen at that time rather than give up their property.
Have you noticed that nearly all the big names pushing Brexit are climate change denialists? That Trump claims it's a hoax and chose as his Secretary of State the head of Exxon that discussed climate change on a seperate email alias which the company then "lost" when asked to provide them in a court case?
It's not looking good, but it's not a technical issue.