and then leland avenue, which is very interesting because they, too, have an asian population and an african-american population. and then you have bayview hunters point. a lot of people keep year for jobs. and then potrero hill is very different because is kind of a new yuppie population, and little hollywood and dog patch. >> historical, district and has been home to shipyards, heavy industry, and a naval base. now, the naval base and most of the shipyards and factories are closed, but the environmental problems continue to impact the district. let's hear how residents are responding to the environmental and health issues they are facing. >> it was hard to breathe last night. i woke up coughing, you know? those are the things that we go through because of the contamination out here. >> this community has a history of issues, environmental issues that have been let go, just run amok. sitting in a meeting once with the health department, we discovered haphazardly that they had known for years that in bayview hunters point, african- american women under the age of 50 had the highest r