Treating Wastewater To Store Ocean Carbon W/ University Of Canterbury Academics, Aspiring Materials Team Members Dr Matt Watson And Dr Simon Reid: 8 May, 2025 95bFM: The Wire podcast

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Treating wastewater to store ocean carbon w/ University of Canterbury academics, Aspiring Materials team members Dr Matt Watson and Dr Simon Reid: 8 May, 2025

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A new research paper published this week is exploring how the treatment of wastewater with alkaline minerals could reduce carbon emissions through the mitigation of ocean acidification.

The ocean plays a critical role in the Earth’s ecosystem as a ‘carbon sink’, absorbing about 30% of the carbon dioxide released into the atmosphere.
As climate change, driven by activities like the burning of fossil fuels and acceleration of land use, has led to an increase in the amount of carbon dioxide in the atmosphere, oceans are absorbing increasing amounts of CO2, increasing ocean acidification and negatively impacting marine life.

If scalable, the treatment of wastewater released into the ocean to offset acidification could be a valuable piece in the puzzle of global climate solutions.

Producer Sara spoke with University of Canterbury academics and members of the team at New Zealand cleantech company ‘Aspiring Materials’, Dr Matt Watson, and Dr Simon Reid, about the potential for these findings, as well as how carbon sequestration can be maximised for the benefit of the environment.

Here is that interview.

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