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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But this type of eco-adventure is just one end of the green travel spectrum.

但这仅仅是环保旅行的一种呈现形式而已。

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Eco - travel is a way to find out what can be done to help animals and plants as well as people.

生态旅行是一种发现能做些什么来帮助动物，植物和人类的方式。

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In an age where green travel and eco-focused marketing continue to grow, car rental companies are bolstering their rental fleets with electric and hybrid cars, giving travellers the opportunity to reduce their carbon footprint, save money at the pump and take one of these new-technology vehicles for a spin before perhaps buying one of their own.

BBC: Rental cars go electric

Even without embarking on an eco-trip, said Wild Asia, tourists can travel responsibly by merely exercising common sense.

BBC: Sustainable travel in Malaysia