In addition to being a leader in the fight against fracking and the campaign to close the Indian Point nuclear power plant, the Riverkeeper organization operates a comprehensive water quality testing program that collects and tests samples at dozens of sites from New York Harbor to Waterford, north of Albany. Their program, the first to regularly test Hudson River water quality, makes the data publicly available within days. In this slideshow produced by Dulce Fernandes, Riverkeeper Patrol Boat Captain John Lipscomb and Carol Knudson from Lamont-Doherty Earth Observatory of Columbia University discuss the threats to the Hudson, their findings and much more during a recent monitoring run. Less