conservation-fenceIn an uncommon example of wide-scale ecosystem engineering, Howell and his team have made gradual, large-scale changes to how they move cattle through this and other ranches, and by their count they have successfully improved forage, biodiversity, and notably, livestock productivity. Scientists, however, who have studied “rotational grazing”—one term for the kind of practice Howell has implemented—have been unable to measure the benefits ranchers like Howell claim. Read the story at