so if we just use them only when they were needed, we could e eliminae insecticidide use overer milliof acres. >> many people would say we need pesticides to grow the food to feed the growi w world, the human population, and that maybe it's a necessary evil to sacrifice some wildlife along the way. fine. so you then look to see, to try to weigh up the damage that neonicotinoids seem to be doing against the benefit we get from them in terms of increased crop yield. and amazingly, it turns out there's virtually no evidence that they're actually effectcti. so there have been a whole sway of studies, particularly from north america, come out in the last year or two where they've simply grown crops with and without seed dressing and find that they get exactly the same yield without the seed dressing as they do with it. >>>> some actionsns are beingngn toto curb the use e of neonicscn europee, the european union banned 3 neononics for a a perif o o years in 2013.3. the ban targets s neonics used o on plan andnd cereals attraractive to polnanators. in the u united states, the saving america's