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Global warming and Climate change-The Panagora Blog
You just lived through the warmest decade on record – and it's only going to get hotter
Global warming shows no signs of letting up.
The
years from 2015 to 2019 and from 2010 to 2019 “are, respectively, almost
certain to be the warmest five-year period and decade on record,” the World
Meteorological Organization said in a report released Tuesday.
“Since
the 1980s, each successive decade has been warmer than the last,” the agency
said.
The
year 2019 concludes a decade of exceptional global heat, retreating ice and
record sea levels driven by greenhouse gases from human activities, according
to the WMO.
“If we
do not take urgent climate action now, then we are heading for a temperature
increase of more than 3 degrees Celsius (5.4 degrees Fahrenheit) by the end of
the century, with ever more harmful impacts on human well-being,” said WMO
Secretary-General Petteri Taalas. “We are nowhere near on track to meet the
Paris Agreement target.”
Climate
change impact:Hot temperatures shorten
pregnancies, study suggests
Concentrations
of carbon dioxide in the atmosphere – the greenhouse gas most responsible for
global warming – hit a record level of 407.8 parts per million in 2018 and
continued to rise in 2019. Carbon dioxide lasts in the atmosphere for centuries
and the ocean for even longer, thus locking in climate change, the WMO said.
And
2019 itself is on course to be the second- or third-warmest year on record,
with 2016 still holding the all-time temperature record.
This
year was hotter than average in most parts of the world, including the Arctic.
“In contrast a large area of North America has been colder than the recent
average,” the WMO said.
Taalas
said that “on a day-to-day basis, the impacts of climate change play out
through extreme and 'abnormal' weather. And, once again in 2019, weather
and climate related risks hit hard.
"Heatwaves
and floods which used to be 'once in a century' events are becoming more
regular occurrences. Countries ranging from the Bahamas to Japan to Mozambique
suffered the effect of devastating tropical cyclones. Wildfires swept
through the Arctic and Australia," Taalas said.
The
WMO’s annual report, which brings together data from numerous national weather
agencies and research organizations, also highlighted the impacts of climate
change including declining sea ice and rising sea levels, which reached their
highest level this year since high-precision measurements began in 1993.
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