Over the last 56 years, more than 130,000 students have explored nature in the Tucson Mountains at the Cooper Center for Environmental Learning, an outdoor educational camp just north of Gates Pass that offers programs through a partnership between the Tucson Unified School District and the University of Arizona College of Education. Now the Cooper Center, located at 5403 W. Trails End Road, is launching a $500,000 capital campaign to pay for a new facility master plan that's estimated to cost up to $4 million. Last October's renewal of the intergovernmental agreement between TUSD and the UA extended management of the center by both parties through 2039 and added provisions allowing for fundraising for new facilities