What's behind the long struggle to reach a new international agreement on reducing greenhouse gases? Margaret Warner and The Washington Post's Juliet Eilperin preview the U.N.'s annual climate conference.
In a "Rolling Stone" article, former Vice President Al Gore criticized President Obama's record on climate change. Gwen Ifill discusses what Mr. Obama has and hasn't done with The Center for International Policy's Glenn Hurowitz, The Center for American Progress'…
Leaders from the U.S., China, India and South Africa have reached a "meaningful agreement" on combating global warming at the international climate summit in Copenhagen, but many officials say the deal fell short of expectations. Ray Suarez reports.
As the Copenhagen climate summit comes to an end, Paul Solman speaks to a Nobel Prize winner about how a warming planet affects biodiversity.
Rallying cries for a global reduction in emissions grew louder at an international climate change summit in Copenhagen on Wednesday. Yet as Judy Woodruff reports, a deal is still far from complete.
President Barack Obama was named this year's Nobel Peace Prize honoree, becoming the second sitting president to win. Ray Suarez reports.
Freed American journalists Euna Lee and Laura Ling returned to U.S. soil Wednesday morning with former President Bill Clinton, after spending more than four months in detention in North Korea.
After being held in North Korea for four months, two journalists for Current TV returned to the U.S. accompanied by former President Bill Clinton. Margaret Warner reports on the homecoming, and what the episode means for U.S. relations with North…
North Korean leader Kim Jong Il issued a "special pardon" to two jailed American journalists after meeting with former President Bill Clinton, North Korea's official news agency reported.
As early as Friday, the U.S. House of Representatives may vote on landmark climate legislation that would establish a "cap-and-trade" system for carbon emissions. Judy Woodruff talks to analysts about the measure's pros and cons.
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