Over the past few years as I attended workshops on Blue Carbon, I have always suspected that Oysters may be a way to remove carbon.  Afterall their shell is calcium carbonate.  Attached is a link to an article that may make a good case for mover forward quickly in the re-establishing oyster populations in all our estuaries and definitely as part of a homeowner living shoreline project to replace or augment their seawall and dock.

Could Oyster Shells Sequester Carbon?