Green is the valley: Does this look like a desert to you?Photo: Bithead The produce stand looks like a typical farmers market booth, with a few women and men milling around looking at fresh-picked limes and rosy red tomatoes. But this market is also full of kids, lined up at a neighboring tent waiting for smoothies, and carrying off fruit cups as big as their heads. "The first few weeks I forgot my money, and couldn't get anything," confides one excited elementary-school girl. "Now I get a smoothie after school every week.  My mom makes me them at home for …

Green is the valley: Does this look like a desert to you?Photo: Bithead The produce stand looks like a typical farmers market booth, with a few women and men milling around looking at fresh-picked limes and rosy red tomatoes. But this market is also full of kids, lined up at a neighboring tent waiting for smoothies, and carrying off fruit cups as big as their heads. "The first few weeks I forgot my money, and couldn't get anything," confides one excited elementary-school girl. "Now I get a smoothie after school every week.  My mom makes me them at home for …