Learn about the worsening state of snowpack in the northern Rocky Mountains., which has been contaminated by mercury and other metals from nearby mines.

Snow in the Rockies now silently carries toxic metals from mines, revealing long-range pollution by winter storms.

Mountain snowpacks accumulate snow throughout the winter, building up stores of water that will supply communities across the American West throughout the long dry season.

Mountain snowpacks accumulate snow throughout the winter, building up stores of water that will supply communities across the American West throughout the long dry season. Now, a new study shows that ...

Mountain snowpacks accumulate snow throughout the winter, building up stores of water that will supply communities across the American West throughout the long dry season. Now, a new study shows that ...