New Paper & Video! Alaska’s Rusting Waters: Pristine Rivers and Streams Turning Orange

A new study by our group and members of the National Park Service and U.S. Geological Survey (link) documents the widespread and sudden shifts in water quality in rivers in Alaska's Brooks Range. The study documents over 75 rivers and streams that have undergone recent changes in water chemistry, attributed to the weathering of sulfide minerals that releases sulfuric acid, iron, and a range of toxic trace metals.