文章列表

• 1.PBS高端访谈:气候变化正在减少雄性海龟的数量
• GWEN IFILL: Now we turn to another angle of our continuing of climate change and its impact. Tonight, our science team looks at the toll it is taking ...
• 2.PBS高端访谈:北极近海钻探是否破坏了奥巴马对气候保护的努力?
• For more on the president's trip and some of the issues following him to the Arctic, we turn to Robert Bryce. He's a senior fellow at the Manhattan In...
• 3.PBS高端访谈:通过食物链引起的连锁反应将会威胁到海洋生态
• GWEN IFILL: While global leaders meet to discuss action on climate change, one new threat has emerged in the world's oceans. As Scott Shafer from our ...
• 4.PBS高端访谈:为什么美国要向加拿大和澳大利亚寻求消防帮助?
• WILLIAM BRANGHAM: For more on how fire officials are coping with these many fires, we turn to Ron Dunton. He's with the Bureau of Land Management. And...
• 5.PBS高端访谈:揭秘矮行星--谷神星的秘密
• JUDY WOODRUFF: Let's look at a space mission that's generating lots of interest and excitement. It's the mission to orbit the dwarf planet Ceres by th...
• 6.PBS高端访谈:饮用水管道是如何同时进行发电的?
• JUDY WOODRUFF: Next: the possibilities of getting more energy through water. Humans have long harnessed the power of water to perform work. In modern ...
• 7.PBS高端访谈:濒临灭绝的虎鲸将会被放归自然?
• HARI SREENIVASAN: You may have seen the documentary Blackfish that examined the treatment of killer whales at SeaWorld Orlando. Now at the Miami Seaqu...
• 8.PBS高端访谈:帝王蝶可能会成为濒临灭绝的物种
• HARI SREENIVASAN: Every year, millions of North American monarch butterflies head south for the winter in one of the insect world's most fantastic fea...
• 9.PBS高端访谈:科学家根据阿拉斯加冰雪层的状况监测气候变化
• GWEN IFILL: Finally tonight: how climate change may be affecting life in Alaska as we know it and the captivating images we see there, from ice to Mar...
• 10.PBS高端访谈:墨西哥城正面临日益严峻的用水危机
• PBS高端访谈:墨西哥城正面临日益严峻的用水危机GWEN IFILL: Violent protests continued in Mexico today. Demonstrators clashed with police in Acapulco, as ...