. >>> ladonna redmond is on a mission. we met her two years ago right here in one of the toughest neighborhoods in chicago. it's the last place you'd expect to find a garden. that's exactly what she showed me. >> reporter: what are we growing in here? >> any number of things. those are collard greens on the far aisle. >> redmond led an effort to start what she calls urban farm sites. why? because no matter how hard she tried she couldn't find any fresh produce in the neighborhood. >> if you wanted to you could buy illegal drugs. you can get access to a variety of illegal drugs. if you wanted to buy a gun you could in this community but if you wanted to find an organic tomato in this community, if you didn't want to come to our urban farm site you wouldn't be able to find one. >> reporter: with few grocery stores nearby most people do their shopping at convenience stores like this one except they're full of chips, sugar drinks, and candy. according to a new study from the journal pediatrics shopping at these convenience sto

. >>> la donna redmond is on a mission. we met her two years ago right here in one of the toughest neighborhoods in chicago. the last place you would expect to find a garden. what are we growing in here? >> any number of things. those are collard greens on the far aisle there. >> reporter: redmond led an effort to start what she calls urban farm sites. why? because no matter how hard she tried, she couldn't find any fresh produce in the neighborhood. >> if you wanted to, you could buy illegal drugs. you can get access to a variety of illegal drugs. if you wanted to buy a gun, you could buy a gun in this community. but if you wanted to find an organic tomato in this community, if you didn't want to come to our urban farm site, you wouldn't be able to buy one. >> reporter: with few grocery stores nearby, most people shop at convenience stores at this one. but they're full of chips, sugary krings and candy. and from the journal "pediatrics," shopping at these convenience stores is part of what's making our kids fact. they talk

. >>> madonna redmond on a mission, we met her two years ago right here in one of the toughest neighborhoodsast place you'd expect to find a garden that's exactly what she showed me wamplts are we growing in here? >> any number of things there's -- those are collard greens on the far aisle there. >> she led an effort to start what she calls urban farm sites y.? because no matter how hard she tried she couldn't find any fresh produce in the neighborhood. >> if you wanted to, you could buy illegal drugs. you can get access to a variety of illegal drugs. if you wanted to buy a gun, you could buy a gun on this -- in this community. but, if you wanted to find an organic tomato in this community if you didn't want to come to our urban farm site you wouldn't be able to buy one. >> with few stores nearby most people do their shopping at conveniencesters like this one except they are full of chips, sugary drinks and candy. according to a new study, shopping at these stores is part of what's making our kids fat. researchers talked to more than 800 kids outside convenience stores and found on average t