Ashley Westerman

Updated at 1:15 a.m. Monday

This month, the Trump administration formally began the yearlong process of pulling the United States out of the 2015 Paris Agreement. It will be the first and only country to quit the 200-nation deal to combat climate change. That's a big concern for some of the world's most vulnerable countries, including the small island nations of the Pacific.

Cambodia's top opposition leader is vowing to keep a promise to return and lead demonstrations against the country's long-time authoritarian leader after he was barred from boarding a flight to Southeast Asia.

Sam Rainsy, self-exiled head of the now-banned Cambodia National Rescue Party, says he was not allowed to get on a Thai Airways flight from Paris to Bangkok on Thursday, despite having purchased a ticket.

Earlier this week, Thailand's King Maha Vajiralongkorn stripped his consort of all her ranks and titles, just months after officially granting her the role. A statement from the palace accused her of disloyalty, ingratitude and over-stepping her role.

Federal prosecutors say two businessmen had a motive for making illegal contributions to U.S. political campaigns. The two men sought to remove an American diplomat in Ukraine, according to an indictment unsealed on Thursday.

The two men, Igor Fruman and Lev Parnas, were associates of President Trump's personal lawyer, Rudy Giuliani. They also have business interests in Ukraine.

In recent weeks, children marched, nations made promises and teenage Swedish activist Greta Thunberg scolded world leaders for "failing us." But while one of the groups most vulnerable to climate change, the Pacific Islands, may have received fewer headlines, it was among those making the strongest calls for action.

Updated at 6:12 p.m. ET

In Singapore, a law intended to crack down on "fake news" went into effect Wednesday, much to the dismay of free speech advocates and journalists.

Any peace in Afghanistan must be negotiated for Afghans by their elected leaders, the country's national security adviser, Hamdullah Mohib, says.

"We have objected to being part of the negotiations and not being a central part of this discussion," Mohib, 36, tells NPR's Rachel Martin from New York City, where he addressed the United Nations General Assembly on Monday.

"And if we want to see peace in Afghanistan, the Afghan government must be at the forefront of any negotiations," he added.

As China celebrates the 70th anniversary of the Communist Party's rule, China's ambassador to the U.S. says that it's thanks to that very system that his country has climbed the ranks of global leadership.

"We have had our own setbacks over the years," Cui Tiankai tells NPR's Steve Inskeep. "But generally speaking, as a whole, we have gradually found a path for China's development that works for China."

Iran's Foreign Minister Mohammad Javad Zarif says his country will not succumb to economic pressure by the Trump administration.

"We are resisting an unprovoked aggression by the United States," Zarif told NPR's Steve Inskeep in an interview in New York City on Sunday. "I can assure you that the United States will not be able to bring us to our knees through pressure."

Pro-independence protests in Indonesia's restive Papua and West Papua provinces have resulted in violence for a second week, according to activists and reports from the area, where most Internet access has been shut down since Aug. 21.

In early July, Bangladesh became the first country to grant all of its rivers the same legal status as humans. From now on, its rivers will be treated as living entities in a court of law. The landmark ruling by the Bangladeshi Supreme Court is meant to protect the world's largest delta from further degradation from pollution, illegal dredging and human intrusion.

Americans are less interested in NASA sending humans to the moon or Mars than they are in the U.S. space agency focusing on potential asteroid impacts and using robots for space exploration. That's according to a poll by The Associated Press and the NORC Center for Public Affairs Research released Thursday, one month before the 50th anniversary of the first walk on the moon.

A record 70.8 million people had been forcibly displaced by war, persecution and other violence worldwide at the end of 2018, according to the latest annual Global Trends report by the office of the U.N. High Commissioner for Refugees.

A U.S. permanent resident who was recently released from prison in Iran is finally making his way back to America, where his three sons live.

Nizar Zakka, 52, who is a citizen of Lebanon, was arrested in September 2015 in Tehran while trying to leave the country and charged with spying for the U.S. He denied the charges, but he was sentenced to 10 years in Iran's Evin Prison.

China and the United States are locked in a trade fight, a technology race and competing world military strategies. Leaders of these countries seem to be pulling the world's two largest economies apart.

These tensions are especially felt by those living with a foot in each country. The NPR special series A Foot In Two Worlds reveals the stories of people affected because of their ties to both nations. Reports from both the U.S. and China show how deeply and broadly the two nations are connected and what's at stake as they reshape their relations.

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