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Turning Fatbergs into Fuel

How one company is turning sewer waste into a valuable energy source

• 23 mins

Can We Supercharge School?

A school in San Francisco thinks it can speed up education using clever technology.

• 23 mins

Thailand鈥檚 Disease Detectives

The volunteers photographing dead chickens to stop the spread of dangerous diseases.

• 23 mins

Cutting Cow Farts to Combat Climate Change

A new frontier in the war against global warming.

• 23 mins

Mexico's Cartoon Therapists

How do you get children who're victims of emotional abuse or physical harm to open up?

• 23 mins

The Teachable Moment

The life changing moment that cuts the chances of gunshot victims being shot again.

• 23 mins

Does Universal Basic Income Work?

Should everyone be given a wage, whether they work or not?

• 23 mins

Urban Cable Cars

Can cable cars help poor communities feel more connected?

• 23 mins

Pakistan鈥檚 Laptop Female Doctors

How do you help female doctors get back to work after having families?

• 23 mins

How to Get Blood Where it is Needed

An entrepreneur in Nigeria is using an app to solve the blood shortage.

• 23 mins

The Dutch Antibiotic Revolution

The story of one sick toddler that was a wake-up call for The Netherlands' farmers.

• 23 mins

Condom Lifesavers and Voices for the Voiceless

How to save lives with a condom and a company creating voices for people who cannot speak

• 23 mins

When Local Currencies Go Digital

The app that wants to keep money flowing in your local community.

• 23 mins

How to Make Sushi from Methane Gas

A new process uses bacteria that eat methane gas to make food

• 23 mins

How Cervical 鈥楽elfies鈥� are Fighting Cancer in The Gambia

A new device lets nurses in rural Gambia find and stop cervical cancer.

• 23 mins

Viking Therapy?

The Viking clubs where men fight their demons.

• 23 mins

How Iceland is Fighting the Gender Pay Gap

Is it possible to force companies to pay men and women the same?

• 23 mins

Addressing the World in Three Words

Could an app, that divides the world into 3m squares, give everyone a unique address?

• 23 mins

The Town Where Public Toilets Are Everywhere

Germany has come up with a clever way of increasing the number of its public toilets

• 23 mins

The Missing Maps

How volunteers are plotting the world to put 'invisible people' on the map.

• 23 mins

How Iceland Saved Its Teenagers

The story of how a nation came together to wean its teenagers off drink and drugs.

• 23 mins

The Former Neo-Nazi Helping Others to Quit

A retired police officer and a former Neo-Nazi team up to change far-right extremists

• 23 mins

Smartphone-Activated First Aiders

Can an app help people survive cardiac arrests by alerting first aiders who are nearby?

• 23 mins

Drone Delivery: Medicines By Air

The drones delivering life-saving supplies in Malawi.

• 23 mins

How to Get Wheelchairs on Planes

Why can鈥檛 wheelchair users just roll onto aeroplanes?

• 23 mins

The Ring That Could Help Save Women鈥檚 Lives

Can a tiny silicon ring lower HIV transmission rates in Malawi?

• 23 mins

Scouts, Knives and a Community Fridge

This week we hear about three small solutions trying to make a dent on some big problems.

• 23 mins

Checking-in With The Problem Solvers

World Hacks returns to stories from last year to see how these projects have developed.

• 23 mins

Can We Save Coral?

An innovative new weekly programme looking at how we can solve the world's problems.

• 23 mins

Kids Versus Cars

The movement turning streets into playgrounds

• 23 mins