. >> reporter: peter laner is the executive director of the natural resources defense council. he says the government is starting to pay attention. >> epa, u.s. department of agriculture, have all started programs to try to address food waste, to try to begin to educate people about that. >> reporter: one area his organization would like the government to focus on is regulating food date labeling. those dates stamped on products you buy often provide information for when food is at its best quality, not the date that a product has gone bad and is supposed to be tossed out. >> when people are encouraged to use their nose rather than just look at the date. actually take a taste and see whether it is still good. that can make a big difference. >> reporter: laner says curtailing food waste may be easier than it seems. he says that's because almost half the food in this country goes through six major retailers. walmart, safe way, kroger, costco, target, and super value. >> and so it's a half dozen companies who have a tremendous opportunity, if they change some of their policies, in

stern, laner, laran, helio, bar, keith karane, and shepherd. and i am one of the public relation's directors and for the san francisco school of the arts, and we would just like to thank san francisco carranza for his leadership and for the creation of the 135 van ness new building. and we have all really been excited for that and we have been glad that we have someone that is working with us collectively and creatively. and we believe that it is a good move, and idea not only for us but for the city and for all students, as all over sfusd and thank you very much. >> good evening, i am with the fine art museums of san francisco but tonight i come to you as a historian and i am my honor to be invited to participate in the 2006, work that we hosted at the museum and during that time it was my honor to reresearch the reception when she started to show her work and while her work was codified, the work that infused her with the life that she was leading and she never divorced the two and file that having the school of the arts is her final gift to