A World Meteorological Organization (WMO) report, released at COP22 in Marrakesh, Morocco finds that greenhouse gas emissions raise the probability of extreme heat events as much as 10 times or more. The report also noted that 2011-2015 was the hottest five-year period on record with 2016 on track to become the hottest year on record. Out of 79 studies on extreme weather events that were published in an academic journal between 2011 and 2014, more than half found that human-caused climate change made the event more likely or extreme. “We just had the hottest five-year period on record, with 2015 claiming the title of hottest individual year,” WMO Secretary-General Petteri Taalas said in a statement. “Even that record is likely to be beaten in 2016.” Rising ocean temperatures and ice sheets melting have been causing sea levels to rise. Average sea-surface temperatures in 2015 rose to a record, feeding into ocean expansions triggered by warming water, the WMO said. Areas covered by Arctic sea ice over the five-year period was 28 percent below the average of the previous 29 years, the WMO reported. Sheets of white ice at the Earth’s poles have historically had a cooling effect by reflecting solar rays back into the atmosphere. The world remains on track for 3.4 degrees Celsius of warming, according to a United Nations report last week. Countries must identify how they can make further cuts of at least 12 gigatons of carbon dioxide, which is equivalent to taking all of Europe’s cars off the roads for 12 years. Thank you to our friends at Bloomberg for providing the original article below. Source: http://www.bloomberg.com/news/articles/2016-11-08/earth-just-experienced-the-hottest-five-years-on-record
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