Max Graham

The disappearance of glaciers is not only leading to the creation of new fish habitat, but it's also creating opportunities for the multibillion-dollar mining industry.

A global mining giant is selling its 50% stake in Donlin Gold. One of the buyers is John Paulson, who made billions betting against the housing market before the 2008 financial crisis.

Officials say cyanide pollution at Victoria Gold’s Eagle Mine poses no health risks to Alaskans. But advocates worry it could compound a yearslong salmon crisis on the Yukon River and should draw new attention to Canadian mines in areas that drain into Alaska waterways.