This story is a collaboration between The Associated Press and Grist. Jeremy Ford hates wasting water. As a mist of rain sprinkled the fields around him in Homestead, Florida, Ford bemoaned how expensive it had been running a fossil fuel-powered irrigation system on his 5-acre farm — and how bad it was for the planet. Earlier this month, Ford installed an automated underground system that uses a solar-powered pump to periodically saturate the roots of his crops, saving “thousands of gallons of w...