I live in Seattle and in just the past few years, beaches which used to be absolutely covered in oysters are now barren because of acidification. And by covered

I live in Seattle and in just the past few years, beaches which used to be absolutely covered in oysters are now barren because of acidification. And by covered, I mean you need a path through them to walk (they are sharp), and the most difficult thing when picking them was to pick up a single one rather than cluster. This was on the Hood canal for anyone in the area. http://apps.seattletimes.com/reports/sea-change/2013/sep/11/pacific-ocean-perilous-turn-overview/?prmid=4939 http://apps.seattletimes.com/reports/sea-change/2013/sep/11/... It absolutely amazed me how fast everything disappeared. It really shocked me.