(announcer) stop the uh-oh fast with kao. in trying to stop the growth of of prostate cancer. these two physicians are our "slice of life." doctors alfred ashford and harold hoke are spearheading the charge to combat one of the leading causes of death among men in the united states, prostate cancer. based out of new york's harlem hospital, dr. ashford is director of medicine and dr. hoke is chief of urology. prostate cancer is often hard to detect. >> if you have symptoms, it's probably too late. so you never want to wait for symptoms. >> an estimated 2 million men live with prostate cancer and it disproportionately affects the black community. african-american men are 6% more likely to develop the disease compared to white men and two and a half more times likely to die from it. each year in the united states, approximately 220,000 men are diagnosed with this disease and up until recently, approximately 27,000 of those men will lose their lives to prostate cancer. >> prostate cancer, by and large, is a silent killer. so the

(announcer) stop the uh-oh fast with kao. . >>> one woman is fighting environmental justice with one hand and transforming a part of new york city into an environmentally friendly community with the other. majora carter is our "slice of life". >>> greening the ghetto is the phrase majora carter, founder and executive director of the sustainable south bronx believes best describes her work. >> greening the ghetto just seemed like such an oxymoron that we had to play with it. we're talking about greening it both environmentally, parks, trees, et cetera, but also economically. >> the sustainable south bronx or ssb tackles the disproportionate environmental and public health burdens the residents of the south bronx face on a daily basis. >> we nd it most because we are the point sources for greenhouse gas emissions. we are the concentrations for toxic industries are right here. if we're not players in cleaning up those industries, our public health suffers. >> this urban strategist has started several programs geared towards inve