While the U.S. has some catching up to do, its highest-producing solar farm does one thing better than anyone else. It has the ability to minimize waste.

Over the years Seth Watkins has won praise for the way he farms. Pinhook Farm, in southern Iowa, grows diverse crops without commercial fertilizers and with limited pesticides. It also tries to tune ...

Add Yahoo as a preferred source to see more of our stories on Google. Shae, left, and Anna Pesek pose with calves on their Over the Moon farm in Iowa. The farm was one of thousands benefiting from a ...