New York's canners: the people who survive off a city's discarded cans

'It's honest dollars,' says one canner, but it's not easy work - canners plan meticulous routes and often work long hours

"It's good for the environment," says Anthony Pemberton, arranging the recyclable empty bottles and cans in his shopping cart. "And I'm a conservationist. You do also get five cents per can, which is a motivator."