Author: Jeremy Rehm / Source: Science News
Overall, 2018 was the fourth-warmest year on record, and climate change trends suggest that temperatures will only continue to climb, scientists said February 6 during a joint news conference by the National Oceanic and Atmospheric Administration and NASA.
The agencies’ data show that global atmospheric temperatures in 2018 were on average 0.79 degrees Celsius warmer than the average 20th century temperature of 13.9° C.
That warming trend, which started around the mid-1970s, “very much resembles riding up an escalator over time,” said Deke Arndt, who heads NOAA’s global monitoring branch in Asheville, N.C.
For much of the Southern Hemisphere, 2018 hit record average highs for the second year in a row. Some Northern Hemisphere regions also recorded their…
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