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Warming !!



 
 
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Old January 19th 18, 10:08 PM posted to alt.astronomy
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Default Warming !!


Even without El Niño, 2017 temperatures still soared

By Paul VoosenJan. 18, 2018 , 1:25 PM

Last year was one of the worst scorchers in modern history, and the
hottest to take place without a boost from El Niño, scientists from
U.S. and international agencies announced today. NASA says 2017 was
the second warmest on record, with global temperatures at 0.90°C above
a 1951–1980 average; the National Oceanic and Atmospheric
Administration (NOAA) ranked it third, with temperatures at 0.84°C
above the average for the entire 20th century. Overall, 17 of the 18
warmest years since 1880 have occurred since 2001, with the past three
markedly warmer than the record-setters of the previous decade. That
trend is in line with continued human-driven climate change; however,
2015 and 2016 got a boost from El Niño, the short-term Pacific Ocean
weather pattern. The discrepancies in the NASA and NOAA rankings come
down to both different baselines and differences in how researchers
interpret temperature readings from limited weather stations across
the Arctic, which has seen rapid warming in recent decades. The 2017
temperature estimates show the greatest spread in 3 decades, according
to Berkeley Earth, a group of independent researchers that produced
its own estimate. Notably, in their first year under President Donald
Trump, NASA and NOAA released their estimates uncensored, despite the
White House’s critical view of regulations and international deals
meant to curb global warming.
 




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