The past decade was the warmest ever recorded, government science agencies announced Wednesday.
"It would have changed the order of the years slightly — 2017 would have been the warmest year in the absence of an El Niño effect, and 2019 would have been the third-warmest year," he said."Whether you think the El Niño and La Niña effect is important or not, the basic results are consistent regardless of that."
Deke Arndt, chief of climate monitoring at NOAA's National Centers for Environmental Information, said that temperatures in the top 2,000 meters of the ocean hit"a new mark." Arctic sea ice continued to decline in 2019, with the second-smallest average yearly sea ice coverage recorded in both the Arctic and the Antarctic oceans since 1979.
A report released by the Intergovernmental Panel on Climate Change in October 2018 stated that the planet had already warmed by 1 degree Celsius since the 19th century, and warned that further warming by 1.5 degrees could trigger melting ice, extreme heat and rising seas that may be life-threatening for tens of millions of people around the world. The trend in the newly released NASA and NOAA report could be bad news for those projections.
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