In 2008 Barack Obama called slavery 'America's original sin'. But how much of a difference did his eight-year presidency make to the lives of African-Americans? And what does Donald Trump's election say about attitudes to race in the United States today? Gabriel Gatehouse reports from Louisiana.
Entire families of adult chimpanzees are being slaughtered by poachers in Africa in order to capture newborn chimps to sell as pets in the Middle East and Asia. During a year-long undercover investigation, BBC journalists posing as prospective buyers infiltrate a global baby chimpanzee trafficking ring and discover how criminals are flouting international law to trade in this endangered species.
India is that rare thing in animal conservation: a success story. Nowhere exemplifies that success more than Kaziranga National Park. But for many, the gains have come at a cost.
Our World has been to Kazakhstan to meet an extraordinary survivor, a celebrated artist and anti-nuclear campaigner.
Namak Khoshnaw heads to northern Iraq to tell the story of one woman - Sunwr Omar - whose father is on the run, having been accused of her killing.
Almost 40 years after the Cambodian genocide, which cost more than two million lives, people are still struggling to come to terms with what happened. A new film by Hollywood director Angelina Jolie, with an entirely Cambodian cast, attempts to help the healing process. For Our World, Yalda Hakim has been to Cambodia to meet Angelina and some of those who lived through that time.
Jonah Fisher investigates, for Our World, allegations of mass murder and rape among Myanmar's displaced Rohingya minority.
BBC journalist Basheer Al-Zaidi grew up in Mosul, the Iraqi city taken over by so-called Islamic State in 2014. Now, Iraqi forces are engaged in a fierce battle to retake the city, and eastern Mosul has been freed from IS rule.
The dead are a constant presence in the Toraja area of Sulawesi in Indonesia. Centuries-old traditions mean the dead share space with the living. Sahar Zand reports.
In the Bajhang district of western Nepal, centuries-old taboos about menstruation still affect the lives of girls and women. Menstruating females are believed to be impure and are required to stay away from their families overnight in small huts. This practice, known as chhaupadi, has been illegal in Nepal since 2005, but the law is hard to enforce in the face of tradition. Two young Nepali women travel from Kathmandu to far-western Nepal to find out why chhaupadi's hold is still so strong there.
In the town where Europe's worst atrocity since the Second World War took place, some local politicians, and the new mayor, refuse to accept that genocide happened there.
In Ecuador a transgender couple became an international news sensation by announcing that he, Fernando Machado, was pregnant to his transgender girlfriend, Diane Rodriguez.
Reporting on the growing number of American children undergoing electroconvulsive therapy.
For six years the Kenyan army has been fighting the Somali Islamist militants Al Shabaab. As part of an exclusive investigation, the BBC has discovered that Kenyan women are being abducted and trafficked as sex slaves to Al Shabaab camps.
Anne Soy meets women who have managed to escape from the camps, and an Al Shabaab insider who reveals for the first time how vulnerable women are captured and imprisoned.
Syria's national football team is in with a real chance of qualifying for the World Cup. It is an astonishing achievement for a country entering its seventh year of a bloody civil war. The team can't play at home and many of its star players have left Syria. Other stars refuse to play because the team is funded by the Assad regime. Richard Conway has spent time with members of the squad in Damascus and the whole team in Malaysia for a qualifying match against Uzbekistan. He discovers that, for some Syrians, the country's football team is a focus for a national pride which appears to transcend the nation's deep and bloody divisions.
Hawaii's beaches have long been a draw for tourists, but many glittering hotel facades now sit alongside squalid camps, as the state has the highest rate of homelessness in the US.
In this remarkable film, four citizen journalists, who are also activists opposed to President Assad, documented their last days in East Aleppo.
A brilliant student, Mashal Khan, was brutally murdered by a mob on a university campus in Pakistan earlier in 2017 after he was accused of blasphemy. The killing caused widespread outrage in Pakistan and has even led to calls to change the country's strict blasphemy laws. Who was Mashal Khan and why was he murdered? Secunder Kermani investigates.
Sicily is on the frontline of Italy's escalating migrant crisis. More than 80,000 people are believed to have crossed the Mediterranean from Libya to Italy in 2017, and 2,000 are thought to have died in the attempt. Ships operated by charities are rescuing thousands but, as the numbers crossing grow, they face accusations that they are encouraging the migrant trade. Meanwhile, anti-immigrant groups are targeting Sicily, seeing an opportunity to build popular support. Yalda Hakim reports.
In the Netherlands and across Europe, thousands of Iranian refugees are converting to Christianity. Are these converts 'born-again Christians' or simply praying for asylum?
In the Syrian city of Raqqa, the group that calls itself 'Islamic State' is under siege. Its fighters are surrounded by a Kurdish-led, US-backed coalition. Gabriel Gatehouse reports.
In Venezuela daily protests against President Maduro's government have resulted in scores of deaths. Inflation, malnutrition and even starvation are on the rise. For Our World, Vladimir Hernandez reports from Caracas
The BBC's China editor, Carrie Gracie, has traveled from the east of China to the west of Europe, to hear from people who live along the route of China's new Silk Road.
Yalda Hakim has been to Mosul to meet survivors and discover how they endured three years of brutal rule under ISIS, and whether they can now rebuild their destroyed and divided city.
The youngest and most vulnerable are paying a terrible price for over two years of war in Yemen as food, medical shortages and now a deadly cholera outbreak take their toll.
Tens of thousands of Madagascar's poor are flocking to the country's remote forests to illegally mine for sapphires. But the wealth they seek comes at an environmental cost.
What has Che Guevara's legacy been in Cuba, and would he recognise the country that it has now become? The BBC's Cuba correspondent, Will Grant, reports from Havana.
Over a million refugees have entered Germany in the past three years, more than anywhere else in Europe. What has the effect been on the country and the migrants themselves?
The songbird trade in Indonesia is booming, causing dozens of protected species to be threatened with extinction. Our World's Victoria Gill travels to meet conservationists in search of a safe haven for some of the world's most endangered songbirds.
In Ukraine more than 30,000 children with disabilities are living in state-run institutions. A few are orphans, but most have families - yet they spend much of their lives in children's homes, some in shockingly bad conditions. Nikki Fox reports.
As they retreat from northern Iraq, Isis has left thousands of women and children behind. A desperate effort is now underway to reunite these women and children with the families they have been separated from.
Two months ago Hurricane Maria devastated the US territory of Puerto Rico, depriving many of electricity and clean water, and destroying vital infrastructure. President Trump blames its slow recovery on an already poorly managed economy. Is he right?
More than 20 years after the Bosnian war ended an international court is about to deliver its verdict on the genocide case against Bosnian Serb army commander, Ratko Mladic. For Our World, Mark Urban has been to Bosnia and discovers a country still haunted by its past.
In recent months, hundreds of thousands of Rohingya Muslims have fled from Myanmar to Bangladesh, driven from their homes by the Burmese army and local Buddhist civilians. Many other Rohingyas have been murdered and their villages burned. Gabriel Gatehouse has been to a refugee camp in Bangladesh to hear from survivors of a massacre in the village of Tula Toli. This film contains harrowing testimony from the start.
Selective mutism is a condition which deprives some children of the ability to speak at will. For the youngsters affected - and their parents - it can cause great anxiety, lead to isolation and hinder a child's progress. For the first time, cameras have been allowed access to one of the only intensive-therapy summer camps for young people with selective mutism. Over the course of a week in New York City, Our World hears from parents and children about living with the condition.
At just three days old, Kati Pohler was left on a street in the Chinese city of Suzhou. At the time, China's 'one-child policy' banned parents from having a second baby and many were abandoned. Kati's parents left a note with their daughter asking whoever raised her to bring her back to meet them at the 'Broken Bridge in Hangzhou' at a set date in the future. Kati was adopted by an American family and moved to the USA. Over twenty years later, she returns to China to meet her birth parents.