federal agencies like the environmental protection agency are really supposed to be, um, managingng these insecticides in a way that causes minimal harm to humans and other animals. >> startining in the 1990s, agency scientists were raising red flags about the mobility, the persistence, the toxicity of these neonicic products, includi t the effecects on pollinators and other wildlife. >> epa documents show agency scientists knew imidacloprid is highly toxic to songbirds, aquatic invertebrates, and honeybees as early as 1993. yet epa allowed imidacloprid on the u.s. market a year later. after decades of exposure,hehe consequenceces epa scientntistse warned about are now confirmed by the task force on systemic pesticides. >> d unfortunely, these chemicaals are often, and i woud say most of the titime, released bbefore therere is adequauate informrmation to sw whether they are harmrmful in the e environm. i i think neoninicotinoids arara prprime example e of that. >> epa assesses risk posed by pesticides prior to their release on the market. safety studies are typically conducted and paid fo