Add Yahoo as a preferred source to see more of our stories on Google. To make his fertilizer, Sam Cheeney hauls green crab traps, feeds the crabs through a grinder, lays them out to dry on homemade ...

The first time Sam Cheeney saw a green crab was in the early 2000s, as part of an ecology class at the University of Maine at Machias. He and his classmates ventured out across the mud flats and rocky ...