"We are not all doomed. An awful lot of people will die, but I don't see the species dying out," he told a news conference. "A hot earth couldn't support much over 500 million."The same scientist also says that Britain is the place to be when that happens . From Times:
"Almost all of the systems that have been looked at are in positive feedback ... and soon those effects will be larger than any of the effects of carbon dioxide emissions from industry and so on around the world," he added...
"In the change from the last Ice Age to now we lost land equivalent to the continent of Africa beneath the sea," he said. "We are facing things just as bad or worse than that during this century."
"There are refuges, plenty of them. 55 million years ago ... life moved up to the Arctic, stayed there during the course of it and then moved back again as things improved. I fear that this is what we may have to do," he added.
Equatorial regions will become so hot that they can no longer sustain agriculture and will turn into deserts. Much of Europe will dry out so extensively that millions of people will be forced to make a new life closer to the Arctic.
The British Isles, small and surrounded by water, will remain cool enough to sustain a modern, technologically advanced nation, despite being 8C (14F) hotter on average. “The British Isles may be a very desirable bit of real estate because we are surrounded by the sea,” he said. “The summer of 2003 will be typical of conditions by 2100.”
Displaced millions will settle in Britain and Ireland and will have to be accommodated in skyscrapers that will make cities resemble the Hong Kong of today — which by 2100 will be uninhabitable, he said.