Eco-tourism is responsible travel in natural and usually protected area.

生态旅游是指在自然以及通常被保护的区域进行负责任的旅游。

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YSP, which had strong links to volunteering placements and responsible travel, will remain as an affiliated not-for-profit arm.

因为与志愿地安置旅客和责任旅游有着很强的联系，所以YSP仍是非盈利组织。

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Ecotour Directory – This site currently lists 95 different eco holiday and responsible travel options, searchable by continent.

“生态旅游目录”（Ecotour Directory）—— 这个网站列举了95个不同的生态旅游假期和负责任旅游的选择，按照大洲来进行检索。

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We cover responsible travel with an awareness of making people comfortable about it.

FORBES: Travel Organizations Honored For Their Sustainable Practices

Responsible Travel, a UK-based travel agency selling sustainable holiday packages, reports a 23 percent increase in customers buying trips to Malaysia from 2009 to 2010.

BBC: Sustainable travel in Malaysia

In April 2012, it won a prestigious sustainable tourism prize from the World Travel and Tourism Councils, following a similar Best Destination award from Responsible Travel in 2011.

BBC: Norway's Roros keeps reindeer recipes under wraps