A farmer sprays pesticides on crops. New research from the lab of Kimberly Parker at the McKelvey School of Engineering shows that amines, sometimes used as an additive in herbicides, can enter the atmosphere, where they pose risks for human health and alter the atmosphere. Credit: Shutterstock
Science Magazine Alaska's Arctic National Wildlife Refuge - Canning River/ by Jan Reurink. View map here. Mapping plan for Arctic refuge ignores risks, critics say. Story here.