KTVA: New evidence supports theories that water pollution from road runoff may increase mortality and abnormalities in frogs.
Scientists at Alaska Pacific University, the U.S. Fish and Wildlife Service and the University of California, Davis, found that wood frog tadpoles were attacked by dragonfly larvae sooner and more often in warmer water with increased copper pollution - as opposed to cooler, copper-free water.
Fish and Wildlife says in cool, clean water, tadpoles have a "fighting chance" to...