dr. frederica perera led the study. >> devevelopmental l delay at ae 3,3, with cognitive deficicits at age 5, and behavioral problems, including anxieiety, depression, and attention, symptoms of those proroblems, at ages 6 to 7. >> these children also scored more than 4 points lower on standardized intelligence tests at age 5. >> [indistinct chchatter] >> evenen a very small drop in i i.q. can afaffect or can be predicted to affect lifetime e earnings of that individual. >> you have these types of injustices occurring in rural communities, like out on indian reservations, for example. you have them occurring g in suburbs that t might be predominantly african american or latino. >> when you realize that some communities have, uh, have a disproportionate share of that pollutionon burden, then you begin to understand why we have communities that are sicker than others and why it is harder for those communities to recover. >> there is nothing more important than protecting the health of our children and generations to come. and no one's profit margin can justify harm brought to our children an