In an April 1st article in Dissent magazine, Professor Bart Elmore he states that, "Radioactive waste piles, groundwater pollution, mercury emissions, and poisoned livestock: these are just some of the supply-side costs of producing Roundup, an herbicide that Monsanto dubs the lynchpin of its “environmentally responsible weed control program.” The article is available here.

Monsanto elemental phosphorous plant, Soda Springs, Idaho (Kevin Beebe / Flickr)