Many families don’t have access to healthy food. They may live in urban neighborhoods infested with McDonald’s and corner stores with processed snack foods, or they may live in poor rural areas. They can’t get to the supermarkets that carry fresh fruits, vegetables, and grains. They can’t access the kind of food their “grandmother’s would recognize as food” as Michael Pollan would say. Michelle Obama is raising awareness of Food Deserts in America.
I hope she encourages urban and community gardens in the cities and the Victory Garden for those who have space to grow some of their own food!

Here’s that link to the Food Environment Atlas, where you can compare statistics like “% Households no car & > 1 mile to store” and “% Farms with direct sales”, among many others…
http://maps.ers.usda.gov/FoodAtlas/foodenv5.aspx