与其他类型的旅游不同，可持续发展的旅游不会破坏环境。
Sustainable tourism, which differs from other kinds of tourism, will do no harm to our environment.
我们取得了多大进展，取决于政府和公民社会为可持续发展创造适当环境的愿望。
How much progress we make depends on the desire of both governments and civil society to create the right setting for sustainable development.
这一预测向人类呈现出了广泛的社会、经济、环境和政治问题，这些问题需要在当下解决，以确保人类拥有可持续发展的未来。
Such a projection presents mankind with wide-ranging social, economic, environmental and political issues that need to be addressed today to ensure a sustainable future for all.
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