Feb 07. Earth’s global surface temperatures in 2018 were the fourth warmest since 1880 and the planet will warm further, especially since
greenhouse gas emissions are continuing to rise, NASA and the National
Oceanic and Atmospheric Administration (NOAA) have said.
temperatures in 2018 were 0.83
degrees Celsius warmer than the 1951 to 1980, according to scientists at NASA’s Goddard Institute
for Space Studies (GISS) in New York.
Globally, 2018’s temperatures ranked behind those of 2016, 2017 and 2015. The past five years are, collectively, the warmest
years in the modern record.
“2018 is yet again an extremely warm year
on top of a long-term global warming trend,” GISS Director Gavin Schmidt
said in a statement on Wednesday.
Since the 1880s, the average global surface temperature has risen
about 1 degree Celsius.
has been driven in large part by increased emissions into the atmosphere of
carbon dioxide and other greenhouse gases caused by human activities.
“Weather dynamics often affect
regional temperatures, so not every region on Earth experienced similar amounts
of warming,” said NOAA.
trends are strongest in the Arctic region, where 2018 saw the continued loss of sea ice.
“In addition, mass loss from the
Greenland and Antarctic ice sheets continued to contribute to sea level rise.
“Increasing temperatures can also
contribute to longer fire seasons and some extreme weather events.
“The impacts of long-term global
warming are already being felt a” in coastal flooding, heat waves, intense
precipitation and ecosystem change,” said Schmidt.
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