Items	Likert scale (1 = very high, 2 = high, 3 = moderate, 4 = low, 5 = very low)					Results of t-test
Items	1	2	3	4	5	SD	Equality of variance	N	Result
Increased number of tourist accommodation units with environmental labels	117	153	318	112	64	0.000	26.936	764	Significant
Preventive measures taken to minimize air pollution	35	104	275	186	164	0.000	20.54	764	Significant
Increased number of tourist places having wastewater collection and disposal systems	140	187	229	146	62	0.065	3.419	764	Not significant
Increasing the public awareness about tourists’ protective measures	79	154	229	142	160	0.217	1.531	764	Not significant
Increased wastewater management systems	39	135	353	134	103	0.288	0.020	764	Not significant