We're apparently removing ~6 billion tonnes of sand a year from the marine environment.

How does this removal impact the potential addition of alkalinity to the ocean from the weathering of that sand?

https://www.theguardian.com/environment/2023/sep/05/alarming-scale-of-marine-sand-dredging-laid-bare-by-new-data-platform 

 @8606bdb4 @77ee1552 another reason worm and more broadly macrobenthic organism restoration is needed.