Colorado Independent: As Denver Mayor and Democratic gubernatorial candidate John Hickenlooper waffles on climate change, the U.S. Geological Society is reporting that Montana`s Glacier National Park will be glacier-less in a decade. Scientists had previously estimated that the park`s signature glacier-grade ice fields would last until 2030. Glacier National Park, where glaciers are an endangered species. “The 2020 date is new. Dan Fagre, glacier-melting expert [for the USGS], took a close look at …