The scientist made the announcement on Sunday after studying 50,000 species from around the world.
Britain and Australian scientists say amphibians and reptiles are at risk from the rising temperatures. They say 57 percent of plants and 34 percent of animal species would lose more than half of their habitat by 2080.
The Huffington Post reports that over 200 governments have agreed to cut down global warming and deal with curb emissions by 2015.
Scientist say Sub-Suharan Africa, Australia, the Amazon and Central America will be hit the hardest.