How wind and solar power helps keep America’s farms alive
About 60% of Iowa's power comes from wind. Farmers can earn extra cash by leasing small sections of farms for power production. Bill Clark/Getty ImagesDrive through the plains of Iowa or Kansas and you’ll see more than rows of corn, wheat and soybeans. You’ll also see towering wind turbines spinning above fields and solar panels shining in the sun on barns and machine sheds.