Every year, it’s estimated that nearly 400 million people around the world are infected with dengue fever, a potentially fatal illness that’s passed on by mosquitoes.
No vaccine is effective at preventing people catching the disease, but what if th...Show More
Concrete is the most used man-made product in the world but it comes with a heavy environmental price. Between 5% and 7% of the world's annual carbon emissions come from producing the cement that glues concrete together. Most of these climate-changi...Show More
For the growing number of working women in Dhaka, commuting to work can be a challenge.
The traffic is terrible and cars and taxis are expensive. Public transport is not only inconvenient, it is sometimes unsafe - many women face unwanted sexual a...Show More
For most of human history, pumping carbon dioxide into the air has come free of charge. Burning fossil fuels powered the industrial revolution and powers most industries to this day.
But all that carbon stays up in the atmosphere and dealing with ...Show More
In the US most people who are charged with a crime can’t afford expensive lawyers and investigators to prepare their case. The public defenders who represent them usually have heavy workloads and limited resources. Family and friends would often like...Show More
It’s estimated that more than 100 million girls under the age of 18 will be married in the next decade.
One country that’s trying to end the practice of child marriage is Ethiopia. There, the Berhane Hewan programme, meaning ‘Light for Eve’ in A...Show More
Each year, mental health practitioners from around the world visit Trieste in Italy to see what they can learn from the city’s approach to mental illness.
In 1978, Trieste led a ‘revolution’ in Italian mental health care by closing its asylums and e...Show More
On average, one in eight children in the UK has a mental health disorder – that’s about three children in every classroom. Yet there are just 4.5 psychiatrists for every 100,000 young people - that’s fewer than most other European countries. With the...Show More
Neighbours in the US are using cameras that read car number plates to record vehicles driving down their streets.
When there’s a crime they check through the footage and pass any leads on to the police. But critics say the Flock Safety system, run b...Show More
More than five billion people around the world don’t have access to safe, affordable surgical care. It has been a big problem in Ethiopia where most specialist doctors are concentrated in the cities, contributing to high rates of maternal mortality.
In the 1990s Portugal had a major heroin problem, and when it came to people injecting drugs it had one of the highest rates of HIV infection in the EU. It took a radical approach and decriminalised all personal drug use.
The law introduced in 200...Show More
To prevent the worst effects of climate change, we need to massively cut how much carbon we pump into the atmosphere. But those carbon cuts might not happen in time, so another approach may be needed.
Around the world, scientists, engineers and entr...Show More
People diagnosed with bipolar disorder are commonly treated with a variety of drugs. They aren’t always effective and can come with a range of side effects.
For several decades, an Italian psychiatrist has been pioneering a different approach. By as...Show More
We hear what you, our listeners, are doing to tackle the problem of plastic waste. The idea came about when you started getting in touch after a previous episode asking why we don’t reuse and refill the plastic containers we’ve already got. (The Reus...Show More
It’s not a good time to be a meat eater. Pressure is growing to tackle climate change – and the livestock sector produces 15% of global greenhouse emissions, with cattle farming accounting for two thirds of that. Not only do cows produce damaging me...Show More
Matsuri Takahashi was 24 when she died. She took her own life after doing more than 100 hours overtime a month at a large advertising company in Japan.
She was a victim of karoshi - dying as a result of overwork. It’s a phenomenon that’s well know...Show More
Period poverty affects girls and women across the world who can’t afford to buy sanitary pads or tampons each month. So what are the alternatives? We look at two very different solutions.
In a refugee camp in Jordan, we follow one woman as she trie...Show More
If you examine the atoms in a piece of wood, you can tell to the nearest 10km where it has come from. Environmental factors, such as the climate, affect trees as they grow and that signature remains in the wood after it is processed.
An internatio...Show More
Should we reuse and refill plastic packaging to limit the amount being thrown away? Nick Holland looks at different ways people are trying to make this happen. One idea is to take used containers back to the supermarkets where, in the future, giant...Show More
The average dog produces about 124kg of poo every year, but not all of that gets picked up and disposed of properly.
So people living in many residential blocks in the US have had their dogs’ DNA registered on a database, in an attempt to tackle pr...Show More
"Get rid of the girl who smells" - this is the reaction thousands of traumatised new mothers face every year. A prolonged or obstructed childbirth can lead to a condition called obstetric fistula, where women are left incontinent, continually leaking...Show More
Tens of thousands of people die every year because bacterial infections are becoming resistant to antibiotics. That number is expected to explode, as more antibiotics stop working, making antimicrobial resistance, or AMR, one of the gravest health th...Show More
Europol, the EU's law enforcement agency, is taking an innovative approach to solving disturbing crimes.
It holds more than 40 million images of child sexual abuse. In many cases the perpetrators remain at large, and their victims unidentified.
By ...Show More
Cyprus has been divided since 1974, but a community centre is bringing Greek Cypriots and Turkish Cypriots together in the buffer zone between the two sides.
Cyprus has been a divided island since 1974, with Turkish Cypriots living in the north and ...Show More
Children who lose a parent may struggle to come to terms with this for the rest of their lives. In the UK about one in 20 children will lose a parent before the age of 16. In other countries, the figure is even higher. However, Gaby Eirew thinks she ...Show More
It’s estimated that 400 billion square metres of fabric are made every year – enough to cover Germany – for the fashion industry. The sector produces a similar amount of greenhouse gases to the international airline and shipping industries combined. ...Show More
About 800,000 people take their own lives every year, that’s one person every 40 seconds, according to the World Health Organization.
For decades, doctors and researchers have tried to establish the key risk factors that identify someone as being at...Show More
In 2006, Turkish entrepreneur Bedriye Hülya set up her first women-only gym, b-fit. It’s cheap to join and is now a successful chain.
Many women in Turkey don’t feel comfortable exercising alongside men and their male relatives may not allow them t...Show More
Over the past 10 years, Nepal has almost doubled its population of Bengal tigers – it’s estimated the country now has 235 of the magnificent beasts. After years of decline, a combination of smart strategies has turned the tide.
The army runs anti-p...Show More
There are 14 specialist shops at the Retuna shopping mall in Eskilstuna, Sweden, but they all have one thing in common. Every item for sale in the shopping centre is second-hand. The clever thing about this mall is its location. It is right next to t...Show More
There are an estimated 350,000 autistic children in Turkey, but only 20,000 to 30,000 of those children are thought to be in education.
And because of stigma around the condition, many parents are reluctant to get a diagnosis.
Zafer Elcik’s young...Show More
In this talent show, it doesn’t matter if you can sing or dance, the winner just has to be honest and good at their job. It’s called Integrity Idol and the aim is to “name and fame” honest government workers - people who reject corruption and refuse ...Show More
People in many parts of the world are having fewer babies than they were 60 years ago, and that’s worrying some countries.
So in order to maintain the proportion of people of working age, governments have come up with campaigns to try to get people...Show More
Do you ever wonder what happens to the people and projects we feature? This week we revisit innovators around the world to see how their schemes have developed. We catch up with the team catching junk in space, and the PODD disease detectives in Thai...Show More
In 2009, Todd Bol built a small box in the shape of a school, filled it with books and placed it on his front lawn in Wisconsin, in the US. The book exchange soon became a focal point for the community. Now there are more than 75,000 Little Free Lib...Show More
Many African countries face huge challenges in education. Millions of children completing primary school still struggle to read and teachers that should be in classrooms are routinely absent.
Two US entrepreneurs think they have a solution: a netwo...Show More
World Hacks visits a long, narrow street in the heart of the Dutch city of Eindhoven. A quarter of a mile long and lined with pubs and bars, Stratumseind is a drinking destination for the country’s young people and football fans. Unfortunately, the g...Show More
The idea behind “Buddy Benches”, also known as “friendship benches”, is simple. If a child feels lonely at playtime at school, they can go to the bench as a signal that they need someone to play with. Another child will see them, go and talk to them ...Show More
What’s being done to clean up the shipping industry and make it less polluting?
Nick Holland looks at innovative ideas to make ships burn less fuel. The industry plays a critical role in the global economy. But it’s under pressure to decarbonise. C...Show More
Around the world, thousands of people are using a special kind of bank. Instead of using it to save and spend money, they’re using it to save and spend time.
Based on the idea that everyone’s time is worth the same, time bankers exchange lawn mowin...Show More
More than a quarter of Japan’s population is over 65 and the country has the highest rate of centenarians in the world. It’s a ticking demographic time bomb as the cost of caring for the elderly rises.
But can the solution to this growing proble...Show More
Just over a year ago, Kenya introduced the world’s most draconian rules on single-use plastic bags. People can be fined up to $40,000 or even thrown in jail for producing, selling or using them.
World Hacks travels to Nairobi to find out what impact...Show More
Child abduction by strangers is extremely rare, but the danger looms large in the minds of many parents. One reason is that for the past 50 years or so, governments have created public information campaigns around the message of “Stranger Danger”. In...Show More
Our brains are the control centre of the human body. They allow us to think, to learn and to dream - but if you know how the brain works, it can also be fooled. Two start-up companies are making a business from these brain hacks, using wearable techn...Show More
In Japan, to become a 'hikikomori' means to withdraw from the world and social life. Many of those who suffer from the condition shut themselves in their bedrooms for years on end, refusing to work, study or interact with anyone around them. More tha...Show More
In Kibera, the largest slum in Kenya’s capital Nairobi, access to water is a minefield. The marketplace is dominated by water cartels, or mafias - water is often syphoned off from the mains supply and pumped in through dirty hosepipes.
But Kennedy...Show More
Volunteers around the world regularly get together to fix other people’s broken stuff free of charge. Reporter Nick Holland visits an event called a Repair Café in the Netherlands and links up with a team running a similar workshop in India. He asks ...Show More
Anyone who cares for someone with dementia knows the struggle to keep them stimulated and engaged as the condition progresses. This week World Hacks looks at three clever ideas that attempt to help.
First up, a designer in the Netherlands has create...Show More
This week we go back to school, with two simple ideas that involve changing the day-to-day lives of pupils to improve their physical and mental wellbeing. The Daily Mile is an idea developed in a Scottish school by an enterprising teacher, which is n...Show More
How do you create green spaces in the middle of a city, where there’s no space to create large-scale parks or gardens? Paris has come up with a clever solution – they allow anyone to apply for a permit to start a garden anywhere at all. A rich assort...Show More
Have you ever wanted to donate to a homeless person, but found yourself without any cash, or concerned about how they may spend the money? A potential solution is being proposed in Oxford, England, through a scheme issuing homeless people with barcod...Show More
In the northern Italian town of Bologna, a new public transport system is rewarding citizens for taking sustainable modes of transport. Each time locals walk or use the bus, train, car pooling or car sharing, they receive ‘mobility points’, which can...Show More
A vast and expensive system with the sole purpose of keeping things cool exists across the developed world. This “cold chain” includes fridges in kitchens, refrigerated lorries and cold store warehouses for supermarket produce and medicines. It costs...Show More
Across the Italian countryside, villages are becoming deserted as people migrate to towns and cities. A sustainable tourism model known as the ‘Albergo Diffuso’ is attempting to reverse this trend. Tourist services, restaurants and hotels are spread ...Show More
A nine-year-old child announcer has been recruited on the London Underground. The idea is that her voice will surprise passengers, so they listen to her safety message. It’s an example of nudge theory in action, the art of subtly persuading large num...Show More
It’s thought that more than half the people claiming to be doctors in India have no medical qualifications. They are known as “quacks”, operating illegally, but often ignored by the authorities because of a shortage of qualified doctors. They regular...Show More
Wildfires can have a devastating impact, destroying land, homes and lives. Scientists say that as the planet gets warmer, they are only going to start more often. World Hacks looks at three projects in Spain and North America that are trying to preve...Show More
As scientists and companies work on cleaning up cars, there’s also a team developing new technology along a road in rural Georgia in the United States, with the aim of making a truly sustainable highway. The Ray, an 18-mile stretch of road near the A...Show More
Rubbish littering the streets is a problem all around the world but collecting it can also be a vital source of income. Two projects, thousands of miles apart, are trying to clean up the streets and make life better for rubbish collectors at the same...Show More
The Gaza Strip is one of the most densely-populated tracts of land in the world. In addition to the ongoing violence there, it has an unemployment rate of more than 40 percent, and problems with access not only to clean water and electricity, but als...Show More
Can adapting your lifestyle add 10 years to your lifespan? Dan Buettner, a journalist for National Geographic, has identified nine characteristics that he says can add more than a decade to life expectancy. His Blue Zones Project uses lessons learned...Show More
More than three million people in Nigeria are living with HIV, but only about 10% of the population has ever taken an HIV test. Talking about sex is a taboo subject and sexual health clinics are not popular places to be seen. Other sexually transmitt...Show More
In India, an estimated 79% of women have experienced sexual harassment in public, but it’s hoped that a $1 million competition will reduce that figure. We visit Mumbai for the grand final of the Women's Safety XPRIZE, where five teams compete to win ...Show More
Two thirds of the world’s population are expected to live in cities by 2050 according to the UN. But where will all these extra people actually live? Budgets to build new social housing are limited, so one architect has been working on a radical solu...Show More
Food waste is a global problem. According to the UN, one third of the food that we produce is being thrown away. Two London-based technology start-ups aim to change that. Smartphone app Olio encourages people to share food they no longer want with th...Show More
How do you improve the lives of the very poorest people? Sometimes it’s just a question of doing the simple things.
In Greece, where an economic downturn has left thousands of people homeless on the streets, three friends have found a way to prov...Show More
How do you pull subsistence farmers in Africa out of the cycle of poverty? All you have to do is help them produce more food than they need to survive. But to do that you need money and a new company in Nigeria has designed a smart way to provide it....Show More
A growing movement in the UK is devolving the power of catching speeding motorists from the police to the people. Police have been working with community volunteers, letting them use speed guns in a bid to protect their communities from fast traffic....Show More
When we think of peace talks we think of politicians from opposing camps meeting behind closed doors in wood-panelled rooms, hammering out the details of an agreement that both sides can accept. But that process hasn’t led to long term peace when it ...Show More
Could bilingual schools help bring peace to a seemingly intractable conflict? In Israel, the school you’ll go to is largely decided before you’re even born – by whether you come from a Jewish or Arab family. Communities learn separately and live sepa...Show More
People can’t resist a prize, especially when there’s money to go with a medal, and for hundreds of years that basic human urge has been used to push humanity forward. When you focus minds and money towards a simple target, incredible things can happe...Show More
Loneliness and isolation can trigger a host of other problems, particularly for our health. But a town in Somerset, in the United Kingdom, appears to have taken a big step towards alleviating the problem. A team in Frome has implemented a handful of ...Show More
**This episode is a repeat from 23 January 2018**
Naomi is not your average teacher. For one thing, she is only six months old. But in many schools across Canada babies like Naomi are a regular feature at the front of class. It is because of an ed...Show More
Space is littered with junk – some pieces as small as a fleck of paint, and some as large as a London bus. So much of it is orbiting the Earth, in fact, that it poses a danger to future missions. But how can space be cleaned up? One way could be to c...Show More
Being homeless is extremely bad for your health. Homeless people end up in hospital far more often, and when they get there their condition is often serious. We visit a London hospital to see how one innovative healthcare charity is rethinking caring...Show More
One of every five bird species could be extinct within the next century. Whether it’s down to the shiny glass office blocks materialising all over cities or the trawlers sailing ever-further out to sea to feed our growing population, our birds are se...Show More
More than $20bn is spent on chewing gum around the world each year. A lot of that gum will end up stuck to the streets. That's why gum is the second most common kind of street litter after cigarette materials. In the UK councils spend around £50m eac...Show More
Social media and messaging apps play a role in the extremist “radicalisation” of individuals. Tech companies have tried to get better at identifying extremist content and taking it down, but some specialists advocate an alternative approach – to use ...Show More
An app in Greece is helping people donate their leftover drugs to people who can't afford to buy them. So far the system has helped to recover and redistribute 13,000 boxes of medicine. Donors use the software to scan a unique code on the side of the...Show More
You’re standing on a stage, blinded by a spotlight trained on your face, knees weak, hands sweaty. Someone from the audience calls out a random word and you have to immediately react and come up with an amusing sketch or skit. This is improv, the un...Show More
Providing food for seven billion people is fraught with difficulty. Fertilising vast tracts of land and flying fresh vegetables across the globe comes at a huge environmental cost. But more and more people are turning to hydroponics - growing plants ...Show More
By its very nature, volunteering means you don’t get paid. But what if there was a way to compensate volunteers that also helped the local economy? The northern English city of Hull is trying an experiment with a new, local cryptocurrency called Hull...Show More
Naomi is not your average teacher. For one thing, she is only six months old. But in many schools across Canada babies like Naomi are a regular feature at the front of class. It is because of an education programme called Roots of Empathy, which is...Show More
An English woman has championed a way to bring back community spirit to city streets and keep children fit. She creates pop-up playgrounds by regularly closing the roads to cars. Alice Ferguson began her project in Bristol and the idea is spreading a...Show More
Up to 90% of the world’s coral could be dead by 2050, according to some estimates, unless we take radical action.
Tackling climate change remains the central battle, but around the world scientists are working on projects that may give coral a gre...Show More
World Hacks follows up on some of our stories from last year – going back to innovators around to world to see how their projects have developed. We hear updates on the app that lets volunteers donate their vision to blind people, the man making road...Show More
This week we hear about three small solutions trying to make a dent on some big problems. We hear about an outdoor gym made from melted-down knives. We talk to the scout leaders in Madagascar trying to break taboos around periods. And in London we v...Show More
In Southern Africa, over seven thousand women are infected with HIV each week. Many can't persuade their partners to wear a condom, so a new form of protection being tested in Malawi could be a real game-changer.
It's a small silicon ring which e...Show More
If you are a wheelchair user, travelling by aeroplane can be very difficult. Buses, trains and some cars are designed for people to roll into without getting out of their chair, but planes are not, which means an often painful process of moving betwe...Show More
Most Malawians live in rural areas and if they get sick, it can be incredibly difficult to get testing kits or medicines in time. Malawi's government has now opened up part of its sky to companies and charities who want to use drones to solve this pr...Show More
Your chances of surviving a cardiac arrest while out on the high street are slim. It's estimated survival rates decrease by ten percent for every minute you don't get medical help. The nearest ambulance may be on its way but could take several minute...Show More
A retired police detective and a former neo-Nazi leader may seem like an unlikely partnership. But Dr Bernd Wagner and Ingo Hasselbach have taken their past differences and used them as the basis for making a real change. When Hasselbach quit neo-N...Show More
In 1998, 42% of Iceland’s 15 and 16 year-olds reported that they had got drunk in the past 30 days. By 2016, though, this figure had fallen to just 5% and drug use and smoking had also sharply declined. The action plan that led to this dramatic succe...Show More
Thousands of places in the world don't officially exist on a map. If you're not on a map, it can have implications for how people find you - in times of disaster for example. But a project called Missing Maps is solving that, by using the power of vo...Show More
to stop people getting caught short.
What do you do if you're out and about and can't find a public toilet? Do you sneak into a cafe and hope no one notices, buy something you don't want just for the privilege of using the facilities, or hold it in...Show More
Around 75% of the world's population, approximately 4 billion people, don't have an address. Take a country like Mongolia, with a largely nomadic population, where street names and postcodes can be few and far between. But that could all be changin...Show More
Although Iceland is thought to be the best country in the world for gender equality, it lags behind in one metric: the gender pay gap. So a decade ago the country's unions and business community came together to try something new. They devised a mana...Show More
It looks like the set of Game of Thrones. Once a year Wolin in Poland hosts a huge Viking festival - with a twist. Enthusiasts come from around the world not just to re-enact battles, but to win them, fighting competitively. One organiser of these ba...Show More
It’s not usually a good idea to take selfies of your private parts, but what if those photos could save your life? A new, tiny medical device is being used across Africa to detect cervical cancer from a mobile phone photograph. In Gambia, doctors are...Show More
Humanity’s hunger for meat is not good for the planet. Every cow, pig and fish that farmers rear has an environmental cost – particularly in the land and water resources it takes to grow the food the animals eat. But one entrepreneur is developing a ...Show More
Local currencies – money you can only spend at small local businesses – aim to keep money in their neighbourhood and out of the hands of big corporations and their shareholders. Now they are going digital, with local currencies that live only on smar...Show More
Each year around 100,000 women die due to heavy bleeding after giving birth. But help is at hand from an unexpected source: condoms. World Hacks goes to a maternity hospital in Kenya to speak to the medical staff using this super-cheap kit that is ...Show More
Antibiotic resistant superbugs are a huge problem both in humans and in animals. Many animals reared for food are routinely fed antibiotics to prevent infections. Farmers across the world do it to protect their livestock and to safeguard their income...Show More
The availability of blood for transfusions saves lives after difficult births and operations. But in much of the developing world, hospitals have a blood shortage. One entrepreneur in Nigeria is working on a solution. She has developed an app that co...Show More
How do you help female doctors get back to work when they've given up medicine to look after their families? It's a particular problem in Pakistan where the majority of medical graduates are women who stop working after they get married. Now a scheme...Show More
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...Show More
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 m...Show More
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 ...Show More
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 scre...Show More
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 ...Show More
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 ...Show More
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...Show More
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 – turni...Show More
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, new...Show More
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...Show More
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 Scandina...Show More
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 a...Show More
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: pl...Show More
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, Pakist...Show More
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 ambulan...Show More
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 ...Show More
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 y...Show More
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...Show More
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 ...Show More
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...Show More
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 ...Show More
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, includin...Show More
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 languag...Show More
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 Worl...Show More
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 i...Show More
Food waste is a massive global problem: the EU alone throws away 88 million tonnes a year. Much of this ends up in landfill and produces dangerous greenhouse gasses which contribute to climate change. In Europe 53% of food waste comes from households...Show More
This is a story about how the most amazing ideas do not always work how you would like in practise. In theory it is so simple. You put disease-ridden water into a two litre plastic bottle, screw on the lid and leave it in the sun. After six hours on ...Show More
A new app is helping blind people solve everyday problems by combining smartphones video technology and an army of armchair volunteers.
World Hacks investigates how it works and explores whether micro-volunteering projects like this have the pot...Show More
The internet is awash with made-up news stories. It’s not a new problem, but the highly charged US election campaign forced people to pay attention. This week on World Hacks we’re speaking to some of those fighting back against what they see as a t...Show More
In Barcelona, they’re experimenting with a new way of designing the city. Superblocks are vast low-traffic zones, but they’re also deeply controversial. The aim is cut pollution and reclaim public space from the car, but does it work? World Hacks inv...Show More
In one of the most expensive cities in the world, students are moving in with older people who have spare rooms as part of a “homeshare” scheme.
The young people in Paris get cheap accommodation and the older people get companionship and support ...Show More
Most refugees do not have the right to work. In Jordan they’re running an experiment to find out what happens when they’re given that right.
They’re handing out work permits to thousands of Syrian refugees in the hope of improving their lives and...Show More
Some £600bn is sent home every year by overseas migrant workers, almost four times more than all the countries of the world combined spend on foreign aid.
But far from home, many workers fear their families are not spending their money in the righ...Show More
One in three children in Peru was growing up too short for their age, stunted by a lack of the right foods in their diet.
Then in 2005, the government put in place an innovative new system. They gave cash hand-outs to poor mothers but only on the ...Show More
Giving children lessons in how to think and learn for themselves can lead to dramatic improvements in results, according to education researchers.
World Hacks meets children learning these “meta-cognition” techniques through philosophy lessons an...Show More
Nearly 1,000 people were shot and killed by the US police in 2015, sparking protests and huge controversy. But a new solution promises to reduce the death toll, by focusing in on the key moment of stress in which guns are discharged. Studies have loo...Show More
What can you do if you don’t have access to running water? No pipes, no wells, no rainfall?
The solution may be to catch water from fog.
We meet Abel Cruz, the Peruvian man behind a huge fog net project which is providing water to a community...Show More
Syrian refugees in Lebanon are being handed cash cards instead of blankets and food. Aid agencies say money transfers are a better way to deliver essential supplies to some of the 1.5 million Syrians who live in the country – they buy what they need ...Show More