Lake Carmi closed because of algae bloom

An outbreak of blue-green algae has closed Lake Carmi in northern Vermont.A toxic cyanobacteria bloom has kept Lake Carmi in northern Vermont closed for the past three weeks, and officials are hoping to introduce oxygen into the lake as a short-term fix.
The blue-green algae results from excessive phosphorus in the lake, most of it originating in manure and industrial fertilizers spread by dairy farmers in the area.The lake has been under a federal order since 2009 to slash the amount of phospho