"Lee Hannah" is a conservation biology/conservation ecologist and a Senior Researcher in Climate Change Biology at Conservation International. Hannah is one of many authors who published an article predicting that between 15% and 37% of species are at risk of extinction due to climate change caused by human greenhouse gas emissions.

More Lee Hannah on Wikipedia.

We're probably looking at one of the worst spasms of extinction in millions of years, even without climate change. But we have it in our ability to do something about it.

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The hot spots studied in this paper are essentially refugee camps for many of our planet's most unique plant and animal species. If those areas are no longer habitable due to global warming then we will quite literally be destroying the last sanctuaries many of these species have left.

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It isn't just polar bears and penguins that we must worry about any more.

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