Miltrim Farms in Athens, Wisconsin, is a family operation that has grown from its 1988 roots into a powerhouse milking 3,000 cows. David Trimner tells Stephanie Hoff about how they use technology and conservation research to promote sustainability, including measuring carbon through the Professional Dairy Producers' Your Farm, Your Footprint program. After all, carbon seems to be becoming the next big frontier for the modern dairy farmer, as told by David.