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The Arctic Ocean is emitting lots of carbon as its water warms

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By聽illuminem briefings 馃寧

路 2 min read


Illuminem summarizes for you the essential news of the day. Read the full piece on the BGR or enjoy below:

馃棡锔 Driving the news: A new study in Geophysical Research Letters reveals that the Arctic Ocean, particularly the Beaufort Sea, is increasingly releasing carbon due to runoff from the Mackenzie River
• This shift challenges the Arctic's role as a significant carbon sink, which traditionally absorbs vast amounts of carbon

馃敪 The context: The Arctic Ocean is essential in global carbon dynamics, absorbing an estimated 180 million metric tons of carbon annually
• However, the interaction between the carbon-rich runoff from Canada's Mackenzie River and the Arctic waters is altering this balance, leading to increased carbon emissions

馃實 Why it matters for the planet: The Arctic's changing carbon dynamics are a critical concern for global climate change
• If this key carbon sink becomes a carbon source, it could accelerate climate change, undermining efforts to control global warming

鈴笍 What's next: Proposals like an orbiting sunshade and other climate intervention strategies are being considered, though no definitive plan has been approved yet

馃挰 One quote: "The river is triggering an intense outgassing in the southeastern Beaufort Sea, essentially tipping the scales of carbon balance" (According to the study published in Geophysical Research Letters)

馃搱 One stat: The Arctic's net CO2 release is estimated at 0.13 metric tons per year, equivalent to the annual emissions from about 28,000 gasoline-driven cars

Click for more news covering the latest on climate change 

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