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 San Francisco station KQED reports, the threat may not be visible to the naked eye, but it changes t
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 Institute, and he has written widely on oil and gas and other energy industries. And Michael Brune, ex
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 on sea turtles and some of their tiniest offspring. We went to the coast of Southern Florida and cam
PBS高端访谈:今年的巴黎气候大会与往年有何不同呢?
GWEN IFILL: The climate talks over the next two weeks are expected to become a turning point in the global debate over addressing the causes of a rapidly warming planet. The lofty speeches have already begun, but what do leaders gathering in Paris th
PBS高端访谈:里程碑式的气候变化协议对美国意味着什么?
GWEN IFILL: The climate talks over the next two weeks are expected to become a turning point in the global debate over addressing the causes of a rapidly warming planet. HARI SREENIVASAN: Joining me now for further analysis of the climate change summ
PBS高端访谈:巴黎气候新协议对我们未来的影响
JUDY WOODRUFF: So, how meaningful are this weekend's pledges? And does it signal a fundamental change in how we will get our energy? Fred Krupp is the president of the Environmental Defense Fund. He's back from Paris. And Robert Bryce is a senior fel
PBS高端访谈:联合国安理会召开有关叙利亚局势的部长级会议
JUDY WOODRUFF: As we just reported, late this afternoon, the 15 nations on the United Nations Security Council voted unanimously to endorse a framework for a peace process in Syria, after nearly five years of brutal civil war that's left more than 25
PBS高端访谈:海平面上升对未来几代人意味着什么?
GWEN IFILL: But, first, a trio of new studies provide new alarm about rising sea levels, and the prospect of further flooding along the coasts. Among them, seas rose faster during the past century than at any point in the last 2,800 years. Hari Sreen
PBS高端访谈:南极臭氧层空洞有所缩小
HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: Scientists studying climate change in Antarctica reported this week that the hole in the protected ozone layer of the earth's atmosphere has shrunk. The discovery of the hole in the mid-1980s led to a wo
PBS高端访谈:科学家发现宜居新行星 离地球4光年
HARI SREENIVASAN: Time now for our weekly segment on science called the Leading Edge, and the discovery of another possible Earth-like planet that's grabbing worldwide attention today. It is true, scientists have previously said they believe there ar
PBS高端访谈:美国国家公园迎100岁生日
HARI SREENIVASAN: It was a hundred years ago today that President Woodrow Wilson signed what was called the Organic Act, creating the National Park Service. Jeffrey Brown takes our Bookshelf outdoors. JEFFREY BROWN: Terry Tempest Williams, author, na
PBS高端访谈:冰架大裂缝迫使南极科考人员疏散
AUDIE CORNISH: Now to our NewsHour Shares, something that caught our eye that might be of interest to you, too. For more than 60 years, British researchers have monitored changes in the world's atmosphere from a remote lab in Antarctica. Now, for the
PBS高端访谈:关于韩国首尔减少粮食浪费的政策
MORI ROTHMAN: Sujin Woo and her mother, Lee Bo-ok live in an apartment in South Korea's capital of Seoul. On this Saturday morning, Lee is making Korean fried sweet potatoes for lunch. Some parts of the food, like the sweet potato peels, won't make t
PBS高端访谈:气候变化对大堡礁造成致命威胁
JUDY WOODRUFF: The Great Barrier Reef along the coast of Australia is considered one of the greatest natural wonders of the world. It actually consists of more than 2,900 smaller reefs and 900 islands and countless species of fish. But its health and
PBS高端访谈:特朗普签署命令废除奥巴马气候政策
JUDY WOODRUFF: From the president today, the first salvo against his predecessor's climate agenda. Instead, he's launched an aggressive campaign he says will help the coal, oil and gas industries. John Yang begins our coverage. JOHN YANG: With coal m
