rebounding. >> we are not in any way trying to suggest that there was not an impact. there clearly was. birds, fish, turtles, sub-sea vegetation and sediment species all were impacted. there's no question about that. but they have also, according to the data, bounced back and are recovering strongly. and there is no data that suggests there are any long-term population level impacts to any species. >> the natural resource damage assessment trustees, government agents studying the effects of this spill, call bp's report inappropriate as well as premature. though the trustee's research is not complete, they said we know that the environmental effects of this spill are likely to last for generations. >> the trustees say we don't