IPCC concludes Paris accord is not enough to limit global warming
6 years, 5 months ago

IPCC concludes Paris accord is not enough to limit global warming

Al Jazeera  

Little has been done to counter man’s release of global warming gases. However, maybe the most telling comment of the report is found on page 24: The ambitions stated by worldwide governments in the Paris accord of 2015 are no longer enough to limit global warming to 1.5C. A complete stop to CO2 emissions now would probably keep global warming to below 1.5C but non-CO2 emissions would have to follow a similar path for a similar effect. The financial cost to limit global warming to 1.5C is estimated at 2.5 percent of GDP An extra half a degree The difference between 1.5 and 2C warming seems trivial but the additional consequences are out of proportion. Heatwaves 3C hotter @ 1.5C warming 4C hotter @ 2C warming Night-time low temperatures 4.5C warmer @ 1.5C warming 6C warmer @ 2C warming Sea level rise by 2100 26cm to 77cm @ 1.5C warming An additional 10cm @ 2C warming, putting 10 million more people at risk of inundation Habitat loss 3 times as many insects would lose their habitat @2C of warming compared with 1.5C would lose their habitat compared with 1.5C Twice as many plants and vertebrates would lose their habitat @2C compared with 1.5C Ecosystem change 3 times the amount of land is likely to undergo a change of type at @2C compared with 1.5C is likely to undergo a change of type at compared with 1.5C Coral reef loss of another 70-90% @1.5C becomes almost total loss @2C of warming Some changes, such as the loss of marine and coastal ecosystems, would be irreversible Water supply At least twice as many people will suffer water stress @2C than will be the case at a 1.5C global temperature rise The future The terms agreed in the Paris Agreement of 2015 are no longer sufficient to limit climate change.

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