文章列表

• 1.pbs高端访谈:大峡谷的历史还要往前追溯六千万年?
• MARGARET WARNER:Finally tonight: Just how old is the Grand Canyon? The conventional wisdom holds that this natural wonder of the world was shaped by t...
• 2.pbs高端访谈:因不能满足基本需求 受灾群众开始失去耐心
• JUDY WOODRUFF:This was another difficult day in the aftermath of Hurricane Sandy. The U.S. death toll rose to at least 102, and for millions of people...
• 3.pbs高端访谈:国内石油产量增加,经济效益优于环境保护?
• JEFFREY BROWN:And we turn to the ups and downs of an energy boom, wrapping up our series that's looked at how new production is fueling rapid changes ...
• 4.PBS高端访谈:乔治亚州核反应堆安全问题
• JEFFREY BROWN: Now, a big move forward for nuclear power in the U.S. This construction site in eastern Georgia will house the nation's first new comme...
• 5.PBS高端访谈:西维吉尼亚州矿坑爆炸事故29人遇难
• JEFFREY BROWN: Finally tonight, new findings and charges in the investigation of the Upper Big Branch Mine disaster in West Virginia. It was the deadl...
• 6.PBS高端访谈:PBS新纪录片"Earth:The Operator's Manual"
• JUDY WOODRUFF: Finally tonight: Yesterday was Earth Day, with celebrations around the globe. Hari Sreenivasan talked recently to a geologist who is al...
• 7.PBS高端访谈:乔普林飓风一周年 灾后重建仍是挑战
• GWEN IFILL: Now, the city of Joplin, Mo., rebuilds and remembers one year after it was leveled by a deadly twister. This was Joplin one year ago, afte...
• 8.PBS高端访谈:气候变化与洪灾的联系
• RAY SUAREZ: Finally tonight, new research and warnings about the risk of worsening flooding connected with climate change. A report released today by ...
• 9.PBS高端访谈:美国遭受旱灾 预计玉米大豆产量下滑
• JUDY WOODRUFF: The government confirmed today that corn, soybeans, and other crops are among the hardest-hit casualties of the worst drought the count...
• 10.PBS高端访谈:美国社区受应对气候变化计划影响
• JEFFREY BROWN: There's another big meeting taking place in Washington this week. Native populations from around the U.S. convened at a conference on t...