(CNN)The Arctic’s snow and ice are the planet’s air-conditioner, reflecting the sun’s energy back into space and keeping temperatures around the North Pole cool.
But a new report shows there are signs that this critical cooling system may be breaking down, and the impacts of what is happening in the Arctic are being felt by people and ecosystems far beyond.
In 2019, average air temperatures in the Arctic were 1.9 degrees Celsius (3.42 degrees Fahrenheit) above normal, the second-hottest recorded since 1900, according to the National Oceanic and Atmospheric Administration’s annual Arctic Report Card, published Tuesday.
The high temperatures in 2019 are another sign that the current period of Arctic warming shows no signs of stopping.
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