I don't think there's enough information to make that conclusion. The strongest conclusion I think we can make is that ocean current's changing is almost certainly going to change regional climates in unexpected ways.

Just a theory there is not enough information

https://en.wikipedia.org/wiki/Shutdown_of_thermohaline_circu...

Not for the Snowball Earth-deniers. But for everyone else, Mexican real estate is cheap... for now.