jean-marc bonmatin of the national center for scientific research in france, was one the leaead authors of t the gr's findndings. >> [speaeaking french]h] >> the task force says systemic pesticide contamination is so widespread that the diversity and stability of the world's ecosystems is at risk. the task force based its findings on an analysis of 800 peer-reviewed reports, the most comprehensive review of the scientific literature on systemic pesticides to date. when asked to comment, bayer crop science said the task force only looks s at worst-c-case scenarios, and that studies under realistic field conditions show that systemic pesticides do not harm honeybees, birds, or other wildlife. >> the main concern with neonics is that thehey have such a high toxicity to a broad range of invertebratetes, terrestrial and aquatic. they are extrememely persistent and extremely mobile. and you put those 3 conditions together and you're talking about removal l of a large segmt of the invertebrate community. >> they're aumumulating t the soil. they'redrawn up by hedgerow plant by trees gwinng in f