Every day, 27,000 government employees move mountains to keep our national parks pristine. While the government may be shut down, the need to keep these natural spaces clean and functioning carries on. In legendary parks like Zion and Yosemite, which have remained open amid the shutdown, garbage and human waste continue to pile up, presenting safety concerns for both visitors to the parks and the parks themselves. “We are taking this extraordinary step to ensure that parks are protected and…