2016 is “very likely” to be the hottest year on record, setting a new high for the third year in a row, the United Nations’ World Meteorological Organization (WMO) announced Monday at the start of the second week of climate talks in Marrakesh, Morocco.
Global warming from greenhouse gas emissions was the biggest factor, but a stronger-than-usual El Niño event helped push temperatures even higher, the organization said, noting that 16 of the 17 hottest years in history occurred in this century.
“Just as one of the planet’s two largest emitters of carbon has elected a climate change denier [Donald Trump], who has threatened to pull out of the Paris accord, to the highest office, [Mother Nature] reminds us that she has the final word.”
—Michael Mann, climate scientist”Another year. Another record,” said WMO secretary-general, Petteri Taalas. “The extra heat from the powerful El Niño event has disappeared. The heat from global warming will continue.”
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“Because of climate change, the occurrence and impact of extreme events has risen,” he said. “‘Once in a generation’ heatwaves and flooding are becoming more regular.”
Overall, 2016 was about 1.2°C hotter than preindustrial levels, WMO said, which puts the planet perilously close to the 1.5°C warming threshold that nations agreed to in last year’s landmark Paris climate agreement—although some scientists are warning that it’s already too late to prevent crossing that benchmark within the next few years.
“In parts of Arctic Russia, temperatures were 6°C to 7°C above the long-term average. Many other Arctic and sub-Arctic regions in Russia, Alaska, and northwest Canada were at least 3°C above average. We are used to measuring temperature records in fractions of a degree, and so this is different,” Taalas continued.
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