自然旅游   常速英语

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Karen Alofs: I think it’s important to realize that fish, like many other species, are adapting to climate change and that we don’t yet fully understand the consequences. I became an ecologist becaus...

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(playful music) - Why not? - [Narrator] This is Timothy Hammond, a Houston-based gardener who knows his arugula. - I'm an urban gardener and educator and one thing I know is that you'...

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From what we can tell, it seems that volcanic activity on Reykjanes happens in pulses. So, yeah, 800 years ago there was a series of eruptions that took place all along R...

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- [Narrator] Three years ago, luxury travel agent, Roman Chiporukha, couldn't sell his clients on a big opportunity, a chance to visit the International Space Station. - I literally talk...

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Back in 1846, whaling was one of the most booming industries in the whole world. It was the fifth largest sector in the United States economy, raking in a cool $10 million. But somewhere along...

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SPEAKER: Coral reefs are one of the most spectacular ecosystems found in nature. Hosts to numerous biological communities, they are important havens of biodiversity. And a valua...

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[MUSIC PLAYING] ANTHONY BARNOSKY: Species do not last forever. You can think of species a lot like you think of a human lifetime. They have a beginning and they have an end. SPEA...

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Everything changed when the slaver nation attacked. What used to be a thriving colony is now a captured country. Slaves do the work, serving their new masters until they die, only to be ...