You don't have to be as committed an environmentalist as Pape, who edits a climate-change news service, to realize that the days of cheap and abundant water are drawing to an end.

佩普还编辑了一份关于气候变化的报刊，你可能并不像想她那样成为一个坚定的环保主义者，但你同样应该认识到，水资源取之不尽用之不竭的时代已经终结了。

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As an environmentalist and a filmmaker, Jean-Michel Cousteau is continuing his father's mission.

VOA: standard.2010.06.18

As an environmentalist, he is also surprisingly upbeat about humanity in spite of the apparent mess we've made of the planet.

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As an environmentalist, and someone who believes that everyone in this world has a right to a healthy and nutritious diet of their choosing, I could not have chosen a more counter-productive path.

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As an environmentalist, his work is legendary.

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