For example: These observations on the effects of climate change from James "Gaia" Lovelock (via Dave Price at Dean's World).
By 2040, parts of the Sahara desert will have moved into middle Europe. We are talking about Paris. As far north as Berlin. In Britain we will escape because of our oceanic position.No, it's not science fiction. I'm not sure what you'd call it, but it sounds demented.
[...]
China will be uninhabitable. So I think the Chinese will go to Africa. They are already there, preparing a new continent - the Chinese industrialists who claim to be out there mining minerals are just there on a pretext of preparing for the big move.
This is not science fiction.