Rising acidity levels in the oceans pose a serious threat to shellfish and other marine life, and tackling that problem in Washington state will require reducing carbon dioxide emissions, keeping polluted runoff out of marine waters, and increasing monitoring at hatcheries, a group of experts said Tuesday.
A fish swims at the Seattle Aquarium as Jay Manning, right, co-chair of a panel addressing the issue of ocean acidification, takes questions from reporters, Tuesday, Nov. 27, 2012, in Seattle. After hearing from the panel, Washington Gov. Chris Gregoire signed an executive order Tuesday directing the Department of Ecology to work on the problem by reducing carbon dioxide emissions, keeping polluted runoff out of marine waters, and increasing water monitoring. (AP Photo/Ted S. Warren)