Energy & Environment
Four Ways the Ocean Can Be Persuaded to Drink More CO2: A Mechanism Comparison
Ocean carbon dioxide removal (mCDR) encompasses various techniques that create a CO2 deficit in surface seawater, prompting the ocean to absorb more atmospheric CO2. This article compares four leading mechanisms: ocean alkalinity enhancement, direct ocean capture, macroalgae cultivation, and artificial upwelling.
Samuel Adebayo·October 22, 2026