Diluting wastewater discharges into the ocean can help store carbon.


Reducing the acidity of large amounts of wastewater discharged into the oceans could be a relatively straightforward way to remove carbon dioxide from the atmosphere and slow climate change. But initial tests have sparked controversy over potential environmental consequences.

Ming Li The University of Maryland states that approximately 100 trillion liters of wastewater are discharged into the oceans each year. Chemicals are often added to make it less acidic to meet environmental standards before it is discharged…