2015 Will Be Cherry On Top Of Hottest Five-Year Period On Record - WMO

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No matter how you stack it, the first half of the 2010s will be remembered for its record heat. The five-year period from 2011-15 has been the hottest such period ever recorded. And with last year setting the hottest year mark, only to be surpassed by a wide margin this year, it’s clear that the planet has changed.

Ahead of the Paris climate talks, the World Meteorological Organization released its annual state of the climate report on Wednesday. It documents the excessive heat that’s been building up around the world and causing changes from the depths of the oceans to the top of the atmosphere.

“The state of the global climate in 2015 will make history as for a number of reasons,” Michel Jarraud, the head of the WMO, said. “2015 is likely to be the hottest year on record with ocean surface temperatures at the highest level since measurements began. It is probable that the 1°C threshold will be crossed. This is all bad news for the planet.”

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The finding that it’s been the hottest five-year period on record on land and at sea underscores the need to reduce carbon emissions in an effort to avoid further dramatic changes. The WMO warned that continuing on a business as usual path of rising emissions could put the world on track for 10.8°F (6°C) increase in the global average temperature. There are also concerns that oceans, which currently absorb more than 90 percent of the extra heat being trapped by human greenhouse gas emissions, could eventually release some of that back to the surface, speeding up the surface temperature rise.

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http://www.climatecentral.org/news/globes-hottest-five-years-19745