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Ocean Alkalinity Experiment Promises CO2 Reduction, Sparks Risks

3/10/2026

47 8 Full Breakdown

Summary

Story summary

In August 2025, an ocean alkalinity enhancement (OAE) experiment off the Massachusetts coast released 65,000 liters of an alkaline chemical.
Adam Subhas led the study.
The study reported local pH increases and carbon absorption.
Benjamin Day warned of potential environmental risks and unforeseen consequences.
OAE could remove significant CO2 but requires careful management and investment to ensure safety.

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Story summary

In August 2025, an ocean alkalinity enhancement (OAE) experiment off the Massachusetts coast released 65,000 liters of an alkaline chemical.
Adam Subhas led the study.
The study reported local pH increases and carbon absorption.
Benjamin Day warned of potential environmental risks and unforeseen consequences.
OAE could remove significant CO2 but requires careful management and investment to ensure safety.