End of the World Update! Global warming taking Earth back to dinosaur era
"Global warming over the coming century could mean a return of temperatures last seen in the age of the dinosaur and lead to the extinction of up to half of all species, a scientist said on Thursday.
Not only will carbon dioxide levels be at the highest levels for 24 million years, but global average temperatures will be higher than for up to 10 million years, said Chris Thomas of the University of York."