“…issues (Hungerfold & Volk, 1990;Teisl & O'Brien, 2003;Thapa & Graefe, 2003;Theodori, Luloff, & Willits, 1998;Ustun, Gumusgul, Isik, Demirel, & Demirel, 2013;van Liere & Noe, 1981). The type of activities that people participate in is equally important: people who participate in non-consumptive, 'appreciative' activities are consistently found to be relatively more concerned about the environment than those who participate in consumptive and motorised activities (Geisler, Martinson, & Wilkening, 1977;Holsman, 2000;Jackson, 1986;Teisl & O'Brien, 2003;Thapa & Graefe 2003;Theodori et al, 1998;Ustun et al, 2013;Waight & Bath, 2014).…”