自然旅游   

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Hey Karen, thanks for joining us. Karen: Thanks Steve. Glad to be here. Steve: What were you doing in the Bering Sea? Karen: Well, I got a chance to go, be on a U.S. Coast Guard icebreaker called t...

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So, let's go for a walk. It was about 10 minutes before 8 A.M. when we entered the park on 77th Street in Central Park West. Steve: Tell me again who you are? Johnson: Liz Johnson. Steve: And what ...

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Andrew thanks so much for talking with us today. Andrew: It's a pleasure. Steve: Your talk was basically about the state of the world's birds. How are birds doing? Andrew: While [Well,] in general,...

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Ringling Brothers and Barnum & Bailey Circus is America's longest-running circus company.It began performances in the early eighteen nineties and calls itself "The Greatest Show on Earth." More than a...

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Welcome to the Anthropocene. Humans have changed the way the world works. Now they have to change the way they think about it, too. THE Earth is a big thing; if you divided it up evenly among its 7 ...

欢迎来到人类纪 人类改变了世界运行方式，现在，人类不得不改变他们思考世界的方式 地球是个庞然大物。如果你把它均分给其间的70亿居民，每个人能分到近1万亿吨。表面看来，一个渺小的物种，生命不及地球的万分之一，在其表面跑跑跳跳竟能永...