Rivers are exhaling ancient carbon — and climate math just changed

ScienceDaily
Jun 12, 2025, 9:25 am214 pts
Ancient carbon thought to be safely stored underground for millennia is unexpectedly resurfacing literally. A sweeping international study has found that over half of the carbon gases released by rivers come from long-term, old carbon sources like deep soils and weathered rocks, not just recent organic matter.…

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