National Geographic News Updated July 12, 2004
By 2050, rising temperatures exacerbated by human-induced belches of carbon dioxide and other greenhouse gases could send more than a million of Earth's land-dwelling plants and animals down the road to extinction, according to a recent study.
"Climate change now represents at least as great a threat to the number of species surviving on Earth as habitat-destruction and modification," said Chris Thomas, a conservation biologist at the University of Leeds in the United Kingdom.
Thomas is the lead author of the study published earlier this year in the science journal Nature. His co-authors included 18 scientists from around the world, making this the largest collaboration of its type.
Townsend Peterson, an evolutionary biologist at the University of Kansas in Lawrence and one of the study's co-authors, said the paper allows scientists for the first time to "get a grip" on the impact of climate change... |