. ♪ ♪ my guide is jessica tisch, new york's 41st commissioner of sanitation.anking positions in both the city administration and the police department and all of that has led her to this. ♪ ♪ >> al: wow. that is a lot of trash. >> yeah, this isn't a a lot of trash for us. this is probably less than 500,000 pounds of it. >> al: this is what you wanted to do. >> yeah, a girl can dream. >> al: there it is. >> i was desperate to run sanitation. >> al: why did you want this? >> sanitation is the essential service. everyday, new yorkers make 24 million pounds of trash and recycling. we don't do our job for one day, everyone in new york city notices. if we don't do our jobs for two or three days, that is a public health crisis. >> al: commissioner tisch has already been a dynamo of innovation. bringing new ideas in a breath of fresh air to gotham's piles of garbage. >> we announced this week that we are changing this at all times for trash to 8:00 p.m. >> this week, department of sanitation launched its first all borough composting. >> the biggest swing we can do to