And what if the world warms at least 2C, which most scientists think likely - or 4C which the World Bank thinks probable on current trends.

BBC: Flooding in York

Scientists think the WAIS Divide core should provide the most accurate record to date of atmospheric carbon dioxide, which will allow them to better ascertain the role of carbon dioxide in climate change.

ECONOMIST: The South Pole as location and metaphor

Most of us think of them as simply a nuisance - but for some cutting-edge scientists, fruit flies are nothing short of potential lifesavers.

BBC: Edinburgh, Fife & East Scotland