The World: Latest Stories

Usually a parade of global figures lining up at the UN to sign a document is pretty much just for show — a lot of words and gestures for questionable real-world impact. But this signing ceremony for the new Paris climate agreement could be something different.

The haze is often so thick that people drive with their fog lights on until mid-morning. New York's air, in comparison, "feels as clear as water from a mountain stream." Rhitu Chatterjee writes.

Saudi Arabia's brutal air campaign in neighboring Yemen is casting a long shadow over President Obama's visit to the kingdom.

Gaming emissions testing systems is common in Europe, arguably less so in the US.

After the 1850 Fugitive Slave Act, which allowed the capture and return of slaves from states and territories in the US even where slavery was outlawed, Tubman began bringing slaves to Canada. On many occasions, Tubman brought runaway slaves to a church called Salem Chapel in St. Catharines, Ontario.

“I was expecting a comfortable life and that they would provide us with help. But it was so difficult.”

How one of the BBC's best investigative reporters was inspired by the Purple One from Minneapolis.

Two developers who brought foreign investment to an impoverished part of Vermont are now accused of misusing hundreds of millions of dollars.

There’s at least one delegate who has promised to support Trump at the convention this summer.

There's a lot of confusion in Delhi over what to do about a massive Indian diamond — the Koh-i-Noor — that's been in the British crown jewels for more than 160 years. India's solicitor general says the Brits acquired it fairly, but the rest of the government says otherwise, and now wants it back.

Lutz Bachmann is the leader of Pegida, an anti-Islam, anti-immigrant political movement in Germany. And his opinions on refugees have him in trouble with the law.

Pro-Trump signs being put up in one Boston neighborhood have resurrected old feelings from the early 1990s, when large numbers of Central Americans began moving there and encountered racial resistance.

Which of these science studies happened and which are fiction. You may be surprised.

"Titanic: Honor and Glory" takes you on board an exact 3-D model of the ship sinking in real time.

Southwest Airlines now says the college student it removed from a flight was ejected because another passenger believed he had made "threatening comments," including using the term "inshallah" — Arabic for "God willing."

Gangs in Peru and Colombia move from exporting illegal drugs to illegal gold.

Support for stricter regulation of foreign investment is growing in Florida after the Panama Papers revealed abusive practice of opening shell companies.

Asylum approval can take up to a year. Refugees keep arriving, and they wait, and wait.

The United States has come to rely less on Saudi oil, and there's a suspicion the relationship between the two countries is on the skids.

What's happening with the 12 Syrian refugees that Pope Francis took back with him to the Vatican?

Shrimp and octopus cocktails? Local lamb, lobster and octopus? Um, yes please. Plus, a recipe to make Yucatán-style Habanero salsa at home.

Despite civil war in Syria, and airstrikes by US, Russian and Syrian jets, bus service continues to towns and cities across the country, including to ISIS-held areas.

"Don't ever forget that CIA is not staffed by robots yet. It's still red-blooded humans doing everything they can."

The Mangyongdae Prize International Marathon in Pyongyang, North Korea, is open to amateur tourist racers. Journalist Alec Ash traveled there to run the marathon this year, and says he had to finish in four hours — or be shut out of the stadium.

Dungeons and Dragons was considered an "existential threat" to the soul of children during the '80s and '90s.

Juliette Kayyem, author of "Security Mom," says we've minimized risks as much as possible, but will never be 100 percent safe.

A deadly earthquake in Ecuador has brought out the best in Ecuadorians. But there's still much work to do to get aid to those who desperately need it.

Lawmakers overwhelmingly voted to impeach President Dilma Rousseff. And yet, winners and losers are not so clearly defined in this political crisis.

Sometimes, you can speed up the commute by sharing the escalator. But no one wants to share in London. So the government stepped in.

For this mother and son, the executive action at issue is really important and currently their lifeline. But it's not enough.

The Etruscans lived in central Italy more than 2500 years ago. They were "the teachers of our teachers," the Romans. Yet we still can't be sure where they came from. The key to unlocking the Etruscan enigma may lie in genetics and linguistics.

Women in some divisions of the US Forest Service and the National Park Service are coming forward with disturbing stories of sexual harassment in the work place, ending public silence about years of abuse and official neglect.

Rebuilding communities torn apart by Boko Haram isn't as easy as returning former child soldiers and forced brides back to their homes.

He and his wife were born and raised in Iran and moved to Canada more than three decades ago to escape political violence. But Mohammad and Ashraf Mohyeddin, soon to celebrate their 80th anniversary, still miss their homeland.

Two of the three main financiers of large dam projects in Honduras have suspended that funding after two activists opposed to the projects were murdered.

There's still visibility issues at the Grand Canyon, but things seem to be getting better. Here's how.

Freaking out about your Instagram feed? These tech experts explain social media algorithms.

Laurie Simmons is a photographer and recently spoke with actress Molly Ringwald about her work, and the intersection of motherhood and art

"I think the pope really needs to see Moria refugee camp, which actually right now is functioning as a detention center,” says one priest who works on the island.

Reporter Indira Lakshmanan watched the Sanders-Clinton debate Thursday night. And she has an interesting perspective on the campaign — having covered both Clinton's 2008 run for the presidency and her time as Secretary of State.

Manchester airport in England spent more than $1.5 million on six sniffer dogs for use with incoming passengers. They were trained to detect heroin and cocaine, but they ended up finding cheese and sausages instead.

The West Antarctic Ice Sheet is the size of Europe and a mile thick. And it's melting faster than we thought, with big effects on the level of the world's seas.

Utada Hikaru was the first Japanese musician to do it all. Sing, write and be a pop star. She quickly became one of the country's most successful musicians — a position no one has managed to take from her.

When Joseph Feingold bought a violin in a flea market in Germany after World War II, he could have never imagined what his violin would become.

“I don’t think I’m good at running just because I’m Ethiopian,” says Esu Alemseged, 18. “But I think if it weren’t for the Ethiopian identity, I wouldn’t be running in the first place.”

We trust computers to know more than we do. But what happens when it's wrong — and it has serious consequences for someone's health. It's more common than you think.

Can the Chinese men's team climb the ranks from doormat to the world’s elite in a generation?

Almost 300 girls were kidnapped in 2014 from Chibok, Nigeria, by Islamist group Boko Haram. At least a few of them appear to be alive in a video obtained by CNN, but nobody knows their whereabouts.

Malik Jalal believes he is on a US kill list. A Pakistani living in northern Waziristan, Jalal has survived four drone attacks that killed some of his close relatives. Now he wants the US government to hear him out.