October 23, 2015 — Mercury emissions from major Massachusetts sources have declined by 90 percent over the past two decades, but mercury levels in the state’s freshwater fish hold stubbornly high, with many species too contaminated for pregnant women and children to eat.

The inability to reduce mercury in fish to safe eating levels troubles environment and health officials — and added to that concern is growing evidence that some freshwater fish in similar northern latitudes, from the Great Lakes to Scandinavia, appear to have increasing mercury levels after years of decline. The New England Center for Investigative Reporting found six studies in the past decade that point to increasing mercury levels in freshwater fish.

Read the full story at The Huffington Post