Podcast Episodes

Recycling Chewing Gum Litter to Clean Our Streets

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 …

8 years, 5 months ago

How to Talk to Potential Extremists

Social media and messaging apps play a role in the extremist “radicalisation” of individuals. Tech companies have tried to get better at identifying …

8 years, 5 months ago

Putting Forgotten Pills Back to Work

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 re…

8 years, 5 months ago

Improvising Your Way Out of Anxiety

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…

8 years, 5 months ago

The Hydroponics Revolution

Providing food for seven billion people is fraught with difficulty. Fertilising vast tracts of land and flying fresh vegetables across the globe come…

8 years, 6 months ago

The Currency Based on Good Deeds

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? T…

8 years, 6 months ago

The Babies Teaching Kindness in Class

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 feat…

8 years, 6 months ago

Kids versus Cars

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 regular…

8 years, 6 months ago

Can We Save Coral?

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 …

8 years, 7 months ago

Checking-in With The Problem Solvers

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 …

8 years, 7 months ago