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Arctic Circle temperatures reached highest levels ever recorded last year, report finds

Sky News logo Sky News 02/09/2021 Samuel Osborne, news reporter

Temperatures within the Arctic Circle reached the highest level ever recorded last year, according to an annual climate report by the US National Oceanic and Atmospheric Administration.

a polar bear standing on top of a mountain: A temperature of 38C was observed in the Russian town of Verkhoyansk in 2020, the highest temperature ever recorded in the Arctic Circle. Pic: AP © Associated Press A temperature of 38C was observed in the Russian town of Verkhoyansk in 2020, the highest temperature ever recorded in the Arctic Circle. Pic: AP

A temperature of 38C (100.4F) was observed in the Russian town of Verkhoyansk in June 2020.

The NOAA report found the annual mean temperature over land areas in the Arctic was 2.1C (35.8F) above the 1981 average - making it the highest temperature recorded in 121 years.

The Met Office's Dr Robert Dunn, who was the lead editor for the global climate chapter of the report, said: "This report adds to all the other evidence that human-induced climate change is affecting every part of the globe, but not all regions are experiencing the change at the same rate.

"The Arctic is continuing to warm at a faster pace than lower latitudes, but Europe's annual average temperature is also increasing quite rapidly, with the five highest annual temperatures all occurring from 2014."

The 31st annual State of the Climate report also confirmed 2020 was among the three warmest years in recorded history, with Europe in particular 1.9C (35.4F) above the long-term average of 1981-2010. This year has seen the continent's second-hottest July ever.

The UK reached its third-highest annual average temperature in 2020, after 2014 and 2006, while this summer is on course to be one of the hottest on record.

The report warned that despite a 6 to 7% fall in carbon dioxide emissions due to COVID lockdowns, carbon dioxide emission levels reached their highest concentrations at the planet's surface in at least the last 800,000 years.

"This is a stark reminder that factors leading to a changing climate are determined by time horizons far longer than a single year and have an inertia that will take a significant effort over a much longer period to halt, much less reverse," the authors said.

It said the year-on-year increase in global carbon dioxide levels of the last half a century have tripled, causing above-average temperatures around the world.

The tumultuous year of 2020 also experienced the highest global sea levels, the highest average ocean heat content, and the most tropical cyclones ever recorded, the report said.

The US report follows the European State of the Climate report, published in April, which found 2020 was the warmest year on record in Europe.

Concentrations of carbon dioxide and methane rose by 0.6 and nearly 0.8% respectively - their highest annual levels since at least 2003, when satellite observations started.

The report found that not only was 2020 one of the three warmest years on record, but the last six years were the warmest six on record.


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