What is the United Nations definition of sustainable tourism?
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1 answer
Environment
What is the 3rd cleanest city in Asia?
19 view
1 answer
When did UNWTO define sustainable tourism?
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1 answer
What are the challenges faced by global tourism?
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1 answer
What cars don’t cause pollution?
25 view
1 answer
What is an example of a local infrastructure?
21 view
1 answer
What are the negative impacts of flying?
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1 answer
Why is the Mekong River important to Vietnam?
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1 answer
Which cars pollute the least?
16 view
1 answer
Which city has highest rate of air pollution?
36 view
1 answer