Podcast Episodes

Flower Power

In India, how can gorgeous flowers offered in a temple or gathered to decorate a wedding be an environmental problem? Chhavi Sachdev discovers that t…

11 months, 1 week ago

Front Yard Floods

Frequent floods blight the poorest neighbourhoods of New Orleans but the residents are fighting back, one yard at a time. Physicist Helen Czerski jo…

11 months, 2 weeks ago

A Washing Machine Solution

British Sikh engineer, Navjot Sawhney gave up his lucrative career to go and work in India, to use his skills to help solve problems for rural commun…

11 months, 3 weeks ago

Speaking out

Communication is a human right - but what happens when someone can’t speak for themselves?

Sean Allsop struggled to talk until he was eight years old,…

11 months, 4 weeks ago

Safer streets in Cairo

What if reimagining how cities are designed could make women safer? In Cairo, sexual harassment and violence against women on the streets has been en…

1 year ago

How seaweed is surprisingly useful

From powering cars to feeding farm animals, how using seaweed more can help the planet. We hear how a local business in Barbados is using sargassum s…

1 year ago

Being better citizens

Citizenship is a kind of social contract that exists in democracies. To function effectively, members of society need to feel like they can engage wi…

1 year ago

Saving mothers and babies

In 2017, Spanish engineer Pablo Bergasa began an unusual hobby: to design a new incubator for use in African hospitals. Eight years on, he has sent 2…

1 year ago

Cutting food waste

Food waste is one of the biggest environmental and economic challenges we face — and much of it happens long before the food reaches our plates. In t…

1 year, 1 month ago

The traffic lights tackling poverty

Despite a lot of progress in the last few decades, more than a billion people still live in acute poverty, according to the UN. Many don’t have acces…

1 year, 1 month ago