A relatively small amount of groundwater trickling through Alaska’s tundra is releasing huge quantities of carbon into the ocean, where it can contribute to climate change, according to new research. As permafrost continues to thaw under climate change, the amount of freshwater making its way to the sea underground will potentially increase, delivering even more greenhouse gases into coastal waters.
https://phys.org/news/2025-01-groundwater-arctic-carbon-ocean-previously.html
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