Glyphosate, the active ingredient in Roundup, was launched in 1976 as a weed killer to replace more toxic chemicals like atrazine.

“they purchased that and then by 1976 launched that as a weed killer um recognizing that per perhaps was slightly less toxic than than the agent orange was their hope launched that in 1976 to replace some very toxic chemicals that we were currently using uh in the United States and around the world to kill weeds in agricultural environments and those were things like atrazine um as a example”