National parks struggle to stay open, safe during shutdown

A visitor reads information outside of the Ernest F. Coe Visitor Center in Everglades National Park, Friday, Jan. 4, 2019, in Homestead, Fla. As the partial government shutdown drags on, private organizations, local businesses, volunteers and state governments are putting up the money and manpower to keep national parks across the U.S. open, safe and clean for visitors. (AP Photo/Lynne Sladky)

Nonprofits, businesses and state governments nationwide are putting up money and volunteer hours in a battle to keep national parks safe and clean for visitors as the partial U.S. government shutdown lingers.