A new report has calculated that making national parks the responsibility of states would raise costs, cut revenue and reduce access for Arizonans.

A wildfire that tore through a historic Grand Canyon Lodge​ had been allowed to burn for days before erupting over the weekend, raising questions about federal officials' decision not to aggressively attack it right away.

With wildfires raging through Northern Arizona and devastating the Grand Canyon’s North Rim, businesses relying on tourist revenue have taken a hit. Canyon Trail Rides, which organizes mule rides through the canyon,