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We have 12 years to limit climate change catastrophe, warns UN

Credit: Ringo HW Chiu/AP

Urgent changes needed to cut risk of extreme heat, drought, floods and poverty, says IPCC

The world’s 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.

At 2C extremely hot days, such as those experienced in the northern hemisphere this summer, would become more severe and common, increasing heat-related deaths and causing more forest fires.

But the greatest difference would be to nature. Insects, which are vital for pollination of crops, and plants are almost twice as likely to lose half their habitat at 2C compared with 1.5C. Corals would be 99% lost at the higher of the two temperatures, but more than 10% have a chance of surviving if the lower target is reached.

Overwhelmed by climate change? Read more on what you can do here.

By Jonathan Watts for The Guardian.

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