People Fixing the World

Is a new urban cable car in Mexico more than just a means of public transport? As well as ferrying thousands of people a day, it's been strategically located to link up the poorest neighbourhoods to more affluent parts of the city. It's hoped it will bring growth to a forgotten district, reduce crime and become a means of bridging the social divide. World Hacks travels to Mexico City to see if it...

Around the world, governments and researchers are experimenting with the introduction of universal basic income. From Finland and Spain to India, the idea of giving every citizen – whether working or not – a set amount of money per month is gaining momentum. It’s claimed to be a fairer and more efficient way of running a welfare system, but we’re only just starting to understand what actually happ...

Darius has been shot three separate occasions, but the third time was the last. He was met at his bedside by a stranger, who changed his life forever. Victims of violence are, far more likely to be shot, stabbed or violently assaulted a second or third time - as the perpetrators of violence try to silence the victim. In San Francisco, where Darius lived, specially trained case managers visit victi...

How do you get children who're victims of emotional abuse or physical harm to open up about what's happened to them? In Mexico a psychologist, Julia Borbolla, encourages them to have a one-to-one chat with a cartoon alien that appears on a video screen in a room near her office. What the children don't realise is Julia hears every word of their conversation with the animated creature because she's...

Methane emissions from the burps and farts of livestock accounts for around 15% of global greenhouse gas emissions. But the trick to reducing this could lie with some of Kenya’s smallholder farmers. By using very simple techniques to transform the way they manage their soil and animals, dairy farmers are helping their cows emit less methane per litre of milk they produce. And it’s all being paid f...

World Hacks goes to Thailand to meet an army of volunteers on the front line in the fight against dangerous diseases, like Ebola and bird flu. Nearly 100 years ago Spanish Flu infected a third of the world’s population and killed about 50 million people. With increased international travel, growing populations and environmental damage, experts warn that viruses now have the potential to spread fas...

A new school in San Francisco thinks it can massively accelerate the speed at which children can learn, using clever technology and smart algorithms to offer each child a bespoke education. AltSchool believes it can achieve results that were only previously possible by giving individual children their own personal tutor. The firm currently runs eight small ‘lab schools’ dotted around the country,...

Lurking in the sewers beneath the streets there are giant blobs of congealed cooking fat known as “fatbergs”. Now one company has come up with a clever way of making money out of them. Their efforts may one day change perceptions of fatbergs – turning the lumps of putrid waste into a valuable commodity. Presenter: Tom Colls Reporter: Nick Holland (Image: A fatberg, Credit: Thames Water)

Thailand in the 1960s was on the verge of a population disaster. Thai women were having seven children on average, and the government was struggling to raise living conditions. Mechai Viravaidya, a young economist who moonlighted as a soap actor, newspaper columnist and teacher, made it his mission to get family planning into every village in Thailand - he wanted to make condoms as easily accessib...

There are more than 200,000 women in US prisons and jails and it is estimated that 6% to 10% are pregnant. One project in Minnesota is trying to use these pregnancies to change the lives of the women, and their children, for the better. We go to jail with the Minnesota Prison Doula Project to see how it works. Presenter: Mukul Devichand Reporter: Sahar Zand Producer: William Kremer

Globally, only around 20% of clothes are re-used or recycled. The majority go to landfill or are incinerated. In the USA alone, the amount of clothes being thrown away has doubled in the last two decades. In World Hacks this week we meet the Scandinavian entrepreneurs trying to change this. Could a solution to this waste be to give people the option of renting clothes, so they don’t hoard things t...

Road accidents are the single largest cause of death amongst young people around the world. But a project in Kenya is making impressive progress in tackling the issue. It has deployed a small and very simple weapon, which has been proven to cut bus accidents by at least a quarter – a sticker. Also on the programme, how they’re making recreation space in Chile, but without knocking down any buildin...

Picking up money - that’s what Haitian’s nicknamed a movement seeking to solve Haiti’s plastic waste problem and reduce poverty at the same time. It was started by a man who saw a glimmer of hope in the devastation wrought by the 2010 earthquake: plastic bottles were clogging the beaches and filling the oceans with rubbish. But what if you could clear up the trash, give Haitians employment, and re...

Fariel Salahuddin is not the type of person you’d expect to see wandering around rural Pakistan, especially with a herd of goats. She’s a successful energy consultant who has worked around the world. But when she returned to where she grew up, Pakistan, Fariel decided she wanted to work on smaller projects to try to make an immediate impact and provide solar energy to poor, rural communities. This...

What do you do in a medical emergency when the equivalent of 999 or 911 simply doesn’t exist? After spending time in countries that lack public ambulance services, US paramedic Jason Friesen realised the problem wasn’t a lack of sophisticated ambulances, or the hi-tech medical equipment inside them, but the communication system necessary to get an injured person from A to B in time to save their l...

This is a story about what happens to your body after you die. In many countries, the current options are burial and cremation, but, both methods come with significant environmental impacts. We’re running out of space for burial in many places, and cremation carries the risk of toxins and greenhouse gases being released. For World Hacks, Sahar Zand travels to the US, where they’re using a new proc...

How do you fulfil your sexual needs if you have a disability? How do you masturbate if you have limited use of your hands? These are problems that most able-bodied people have probably never considered. But if you’re in this position it’s something you probably think about a lot. And it’s a problem which Vincent, the founder of a small NGO called Hand Angels, is trying to help with. His group matc...

The Data Donators Meet Becky. She suffers from arthritis and is in constant pain. Like lots of people – patients and doctors alike – she has a hunch that bad weather could be exacerbating the problem. It’s a question that has been asked for at least 2000 years, but we have never had the tools or resources to answer it. That is, perhaps, until now. Dr Will Dixon has set up a mass participation stud...

On the island of Jersey, postal workers don’t just deliver the mail. They also check up on elderly people during their routes. In a five minute chat, they check they’ve taken their medication and if there’s anything else they need. It’s popular with older people and their relatives, and the project has caught the attention of post offices - and health professionals - around the world. Could a chat...

Parents struggling with childcare costs in London are banding together to care for each other’s kids. They run a super-cheap nursery where mums and dads take on half of the childcare. It’s a throwback to the childcare movement of the 1970s but can it work in the modern age? Presented by Sahar Zand. Produced by William Kremer. Image: Drawing of a family / Credit: BBC

There are no sewers in Haiti. 26% of Haitians have access to a toilet, so a lot of the sewage ends up in the water supply. Currently, Haiti is battling the biggest cholera epidemic in recent history and thousands are dying. We travel there to meet a team of women who are trying to solve this massive problem. They have set up an NGO called Soil which delivers dry, compost toilets to peoples’ homes....

Could we build cities using solar panels instead of walls? That’s the dream that Huang Ming, a wealthy entrepreneur in China’s Shandong province, has had since the 1980s. He’s become known as the ‘Sun King’ after building a vast solar park, including a showcase hotel, to prove a new kind of solar architecture is possible. So why hasn’t it caught on? We check into a room in the solar hotel and exam...

An innovative housing project in Amsterdam is attempting a new way of integrating refugees into the local population. In prefab flats, refugees from the Syrian war live next door to young people in need of cheap rent. They eat together, learn language together, and develop the networks that researchers say are critical to successful integration. Presenter: Charlotte Pritchard Reporter: Jo Mathys I...

Air pollution is a huge problem for China, but did you know it’s actually getting better? The Air Quality Index in several cities is improving, because of a variety of experimental projects that are being rolled out. In this special edition of World Hacks as part of the #SoICanBreathe season, we are in Beijing to gather together some of the thinkers and entrepreneurs leading China’s efforts to cle...

Voter turnout is a problem around the world, particularly in local elections. But a small group of academics and activists in the US are experimenting with a new way of getting people to turn up and put their cross in a box – a lottery. Every voter is entered and one lucky winner gets a big cash prize. World Hacks investigates whether it works. Presenter: Kathleen Hawkins Reporter: Gemma Newby Pro...