together with fellow activists like pablito, yolanda has fought for better environmental standards, mostlyhout success. [translated] >> at first we were called traitors. that never bothered me, because we also had supporters like yolanda. the catholic church and overseas organizations helped us. after years, the peruvian state finally recognized that we were being poisoned and that we were being made sick. reporter: the smelter of la oroya has scaled back its output, but it has not been shut down completely. the area is still suffering the effects of heavy metals. the future of the smelter is a sensitive issue in la oroya. some want to reactivate the aging complex. ultimately there are jobs depending on it. this is the kind of question that can divide families. [translated] >> you need to look for a balance, of course. obviously the smelter needs a better filter so pollution can decline. >> the thing i worry about most is the health of my children. i even argue with my husband about this. just like him, i also worked in the mine. but i want the operators to be more responsible. reporter: o