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People take part in protests ahead of a G20 summit in Hamburg, Germany July 2, 2017. Placard reads "Global Warming is NOT a Myth". REUTERS/Hannibal Hanschke/File Photo
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reuters - by Nina Chestney - August 6, 2018
The world is at risk of entering “hothouse” conditions where global average temperatures will be 4-5 degrees Celsius higher even if emissions reduction targets under a global climate deal are met, scientists said in a study published on Monday . . .
. . . Around 200 countries agreed in 2015 to limit temperature rise to “well below” 2C (3.6F) above pre-industrial levels, a threshold believed to be a tipping point for the climate.
However, it is not clear whether the world’s climate can be safely “parked” near 2C above pre-industrial levels or whether this might trigger other processes which drive further warming even if the world stops emitting greenhouse gases, the research said . . .
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