Huge risk if global warming exceeds 1.5C, warns landmark UN report

Video: Paradigm shift needed to avert chaos, says UN (AFP)

The worlds leading climate scientists have warned there is only a dozen years for global warming to be kept to a maximum of 1.5C, beyond which even half a degree will significantly worsen the risks of drought, floods, extreme heat and poverty for hundreds of millions of people.

The authors of the landmark report by the UN Intergovernmental Panel on Climate Change (IPCC) released on Monday say urgent and unprecedented changes are needed to reach the target, which they say is affordable and feasible although it lies at the most ambitious end of the Paris agreement pledge to keep temperatures between 1.5C and 2C.

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More on this story:

Report warns of strong risk of crisis by 2040 (New York Times)

What the new UN climate report tells us (Press Association)

UK can lead the world in reducing emissions (Independent)

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The half-degree difference could also prevent corals from being completely eradicated and ease pressure on the Arctic, according to the 1.5C study, which was launched after approval at a final plenary of all 195 countries in Incheon in South Korea that saw delegates hugging one another, with some in tears.

Its a line in the sand and what it says to our species is that this is the moment and we must act now, said Debra Roberts, a co-chair of the working group on impacts. This is the larges....

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