Edinburgh could see temperatures of minus 30 in the future according to a new report into global warming.

It comes as fears rise over north-western Europe being plunged into a potential new ice age.

The world has reached its first climate tipping point as global warming causes widespread diebacks of warm-water coral reefs, scientists have warned.

Rising temperatures are pushing several of Earth's systems dangerously close to thresholds beyond which their demise accelerates and the global impacts become increasingly irreversible, according to a landmark report released on Monday.

The paper, led by Professor Tim Lenton from the University of Exeter and co-authored by more than 160 scientists in 23 countries, found that warm-water coral reefs - on which nearly a billion people and a qua

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