By Matt Freiberg Hardhats and heavy machinery have been out in full force along the Richmond Greenway. The Watershed Project's Greening Urban Watersheds Program is hard at work on Phase Two of the Richmond Greenway Bioswale project. In the last weeks of June, we worked with contractors to construct a 140-foot addition to the creek-like bioswale, bringing the total length of pollutant-filtering channel to 400 feet. The bioswale project began two years ago when The Watershed Project staff recognized that the space between 6th and 8th street was perfect for an outdoor classroom and a community …