Grist: About three weeks ago, we wrote about a natural gas compressor station that was proposed adjacent to one of the Pittsburgh areas old guard organic farms. Don and Becky Kretschmann, the owners of the farm, argued that toxins associated with the natural gas processing could threaten Kretschmann Farms organic certification. The Kretschmanns fought against it, the community came together to support them, and hundreds of urban CSA customers wrote in to the towns board of supervisors to oppose the...