we went to kyle graham for answers, a member of the federal group officially tasked with determining the long term damaged caused by the spill. he says the rival five year reports are driven by rival agendas, since most government research hasn't been released. >> you've got two entities that have different purposes, one is the responsible party who yeah, they're trying to take care of their shareholders, right. on the other side, you have the watch dogs of the environment and national wildlife federation that are pulling and piecing together the pieces that they want to discuss, as well. >> b.p. officials declined an interview with al jazeera but in a statement accused the national wildlife federation of ignoring years of progress in an effort to finance its policy agenda. two conflicting reports each supporting a different viewpoint, but ultimately, it will be up to a federal damage assessment team to determine how much the government orders b.p. to pay for the spill. >> while it may be sometime before we know how much beep is ordered to pay for damage, the company's immediate conc