Marine artificial upwelling, problematic climate solution slow to advance

Mongabay
Jun 2, 2025, 12:10 pm261 ptsTop
Artificial upwelling is a geoengineering climate solution with a long history. The concept: mimic natural ocean upwelling by pumping cold, nutrient-rich seawater up from ocean depths via pipes to the surface. There it can cause a growth surge in CO2-absorbing plankton, nourishing aquaculture and tackling…

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