We heard this week that a quarter of all mammals are threatened with extinction. One of those, the polar bear, made headlines earlier this year for being the first animal to be listed on the US Endangered Species Act, because of its vulnerability to climate change.
This begs the question: aren't all species vulnerable to climate change? Why protect the polar bear but not the ringed seal?
This is the question that a huge endeavour led by the World Conservation Union (IUCN) is attempting to answer. Its first results were presented in Barcelona, Spain, on Wednesday.
The verdict is bleak: of 17,000 assessed species, over 7000 could become threatened with extinction because of climate change. Read the report (PDF)
"Climate change is already happening, but conservation decision-makers currently have very little guidance on which species are going to be the worst affected," says Wendy Foden, who led the efforts. Yet, "Climate change is going to ...