---
title: Coastal erosion may diminish Arctic Ocean's projected CO2 absorption capacity
description: Coastal erosion may diminish Arctic Ocean's projected CO2 absorption capacity
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# Coastal erosion may diminish Arctic Ocean's projected CO2 absorption capacity

New research reveals that as the Arctic warms, the ocean's ability to absorb carbon dioxide is diminishing due to accelerated permafrost erosion and coastal damage. By 2100, this process could add CO2 to the atmosphere equivalent to 10% of Europe's 2021 car emissions. The study highlights the impact of climate change on the Arctic's role as a carbon sink, with coastal erosion reducing the ocean's CO2 absorption by over 14 million tons annually. These changes, driven by human-caused climate change, underscore the urgency of reducing fossil fuel emissions to mitigate further damage. ([Los Angeles Times](https://www.latimes.com/environment/story/2024-08-12/as-planet-warms-the-arctic-ocean-is-absorbing-less-co2))

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