Workers install more than 16,000 posts that will hold up solar panels on this PG&E-owned solar farm in Fresno County. This field used to grow tomatoes.
Sun and open land make the San Joaquin Valley ideal for growing crops. But they're also attracting an increasing number of large-scale solar power developers to the region. And that's generating debate over whether farming the sun is really farming. Reporter: Sasha Khokha