Associated Press: Puget Sound faces an uncertain future due to the increasing acidity of seawater, a panel of marine scientists said Tuesday. The changes are coming more rapidly than expected, and could disrupt food chains and threaten Washington’s shellfish industry. The acidic seawater is moving closer to shallow waters containing the bulk of marine life, according to an article this month in the journal Science. The increasingly corrosive water threatens the survival of many organisms, from …