pbs高端访谈:很难达成应对气候变化的协定

JUDY WOODRUFF:Finally tonight, what's behind the long struggle to reach a new international agreement on reducing greenhouse gases? Margaret Warner has our update. MARGARET WARNER:It's been nearly 15 years since leaders from 37 industrialized countri

pbs高端访谈:退洪后的工业残渣引居民担忧

JUDY WOODRUFF: Now we turn to our ongoing coverage of the aftermath of Hurricane Sandy. Tonight, special correspondent Rick Karr looks at environmental concerns in New York City. Many residents in Brooklyn want to know more about the risks of chemica

pbs高端访谈:奥巴马提名能源部长和环境保护署署长人选

GWEN IFILL:President Obama convened the first Cabinet meeting of his second term today, even as he continued to fill seats left open at that table. Sylvia Burwell, the president of the Wal-Mart Foundation, was nominated to head the Office of Manageme

pbs高端访谈:石油管道破裂致20多户居民撤离

JUDY WOODRUFF:Next: how an oil spill near Little Rock, Ark., is casting a shadow over the proposed expansion of the Keystone pipeline. MAN:So that is a pipeline that has busted and has flooded the neighborhood. JUDY WOODRUFF:A local resident describe

pbs高端访谈:美国环保署推进净化温室气体排放的建议

JUDY WOODRUFF:And we turn to the EPA's new regulations requiring cleaner gasoline. The Obama administration announced the proposed changes today. They would require two-thirds less sulfur in gasoline and a reduction in other emissions beginning in 20

pbs高端访谈:危险化学品六价铬污染美国饮水系统

JEFFREY BROWN:And now to part two of our investigative look at the safety of America's drinking water. Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie Erin Brockovich, its potentially harmful effect on human

pbs高端访谈:日本大地震两年后的生存状态

JEFFREY BROWN:And finally tonight: Japan two years after the massive earthquake and tsunami struck its northeastern coast. Ray Suarez has the story. RAY SUAREZ:The 2011 quake was one of the strongest in recorded history. It set off a tsunami that kil

pbs高端访谈:波兰放宽液压破碎法的规定以期刺激经济

JEFFREY BROWN:And, finally tonight, we turn to Poland, where there's a familiar controversy surrounding new energy exploration. Our story is part of a collaboration with the Pulitzer Center on Crisis Reporting, and comes from special correspondent St

pbs高端访谈:污染物随降雨进入水体致有毒鸡尾酒

JEFFREY BROWN:For those stations not taking a pledge break, we go beneath Washingtons Puget Sound to look at stormwater runoff. Our story comes from our colleagues at KCTS9 in Seattle. Katie Campbell reports for Earth Fix, a public media project focu

pbs高端访谈:阿尔·戈尔新书探讨科技,全球经济和美国民主

JEFFREY BROWN:And now to our interview with former Vice President Al Gore. Since he conceded the 2000 presidential election, Mr. Gore's of course become best known for his advocacy on climate change issues, work that led to both a Nobel Prize and an

PBS高端访谈:敦促商界注意气候的变化

JUDY WOODRUFF: Finally tonight: new estimates on the cost of climate change and the attention it's drawing about the potential economic effect in the U.S. For years, reports on climate change have largely been the province of scientists. But a new gr

PBS高端访谈:EPA削减不同程度的乙醇量来测量环境状况

JUDY WOODRUFF: Next: the changing requirements for ethanol in gasoline and bigger questions over its wider use in recent years. Today, the Obama administration proposed cutting the amount of ethanol that would be blended into gasolinenext year. The E

PBS高端访谈:世界大国恢复伊朗核会谈

JUDY WOODRUFF: As pressure builds from critics of a nuclear deal with Iran, negotiators are back in Genevafor another round of talks.Our chief foreign affairs correspondent, Margaret Warner, is also there. I spoketo her a short time ago. Margaret, he

PBS高端访谈:转基因作物引发争议

MEGAN THOMPSON: The Hawaiian island of Kauai is known as the garden isle, luring hundreds of thousands of tourists to its lush northern shores. But fewer make it down to the drier southwest side, home to many native Hawaiians, whove lived here for ge

PBS高端访谈:治水紧急措施

HARI SREENIVASAN: We're joined now by the mayor of Charleston, W.Va., Danny Jones. Thanks for joining us. What is the latest that you're hearing now about the efforts to contain this spill? DANNY JONES,Mayor of Charleston, W.Va.: Well, we know basica

PBS高端访谈:加州太阳能项目对栖息地的影响

JUDY WOODRUFF:Now the challenges of combating climate change. This week, the European Union announced it was loosening its strict environmental regulations in the face of economic setbacks. In the U.S., renewable sources of energy like wind and solar

PBS高端访谈:美国环保局局长为白宫节能减排的计划摇旗呐喊

GWEN IFILL: From the night he was reelected, President Obama has made clear that cutting greenhouse gas emissions was a centerpiece of his second-term agenda. Today, his administration unveiled its biggest effort yet to tackle the issue of climate ch

PBS高端访谈:在矿产州,民主党寻求减排计划的可能性

GWEN IFILL: The president's proposal to cut carbon emissions may not take full effect for several years, but the politics kicked in immediately. In states where nearly all of the electricity is generated by coal, like West Virginia and Kentucky, Demo

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 anger mounted over the disappearance of 43 students. Late last week, three men d

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 Marine life. NewsHour science correspondent Miles O'Brien went there to see for himself. MILES O'BRIEN: