As the Arctic warms and tundra thaws, minerals long trapped in frozen soil are leaching into rivers, turning them orange and acidic. A study from northern Alaska found “rusting” waters to be more metallic and acidic than drainage from metal mines.
As the Arctic warms and tundra thaws, minerals long trapped in frozen soil are leaching into rivers, turning them orange and acidic. A study from northern Alaska found “rusting” waters to be more metallic and acidic than drainage from metal mines.