

World Sep 23

Days after global protests calling for climate change action, the United Nations held a special climate summit where world leaders and other officials gathered to hammer out specific pledges to reduce greenhouse gas emissions. William Brangham joins Judy Woodruff to…
World Sep 22

Saying humanity is waging war with the planet, the head of the United Nations isn't planning to let just any world leader speak about climate change at Monday's special "action summit."Only those with new, specific and bold plans can command…
By Seth Borenstein, Associated Press
Episode Nov 03

Tuesday on the NewsHour, voters cast ballots on issues ranging from pot legalization to Airbnb limits. Also: The company behind the Keystone XL pipeline asks to suspend a review of its plans, a look ahead at the global climate summit,…
By PBS NewsHour
World Oct 06

The two women live in different parts of the world: one on a tropical island in the Pacific, another in a former war-torn African country now fighting Ebola. Their lives are very different but they chose the same way to…
By Larisa Epatko
Sep 23

NEW YORK -- President Barack Obama said at the U.N. Climate Summit on Tuesday that the United States accepts responsibility for its part in climate change and will lead the way in doing something about it.
Sep 22

By Seth Borenstein, Associated Press
The world pumped an estimated 39.8 billion tons (36.1 billion metric tons) of carbon dioxide into the air last year by burning coal, oil and gas. That is 778 million tons (706 metric tons) or 2.3 percent more than the…
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