Podcast Episodes

The forest sound detectives

Scientists are checking up on the health of forests by analysing the sounds in them. They test their vital signs by measuring the croaks, tweets an…

4 years, 7 months ago

The moo loo and other stories

Training cows to use the toilet and a bouncy castle that fights climate change are some of the surprising solutions today. Humans have been trainin…

4 years, 7 months ago

Creating an alternative gig economy

Meet the innovators who want to change gig work for the better.

When we order a pizza on a Friday night or use a ride-sharing app to get home, it’s li…

4 years, 7 months ago

How to make electricity for your neighbours

Hundreds of millions of people don’t have access to electricity. But all over the world, people are joining forces to provide a home-grown solution —…

4 years, 7 months ago

Food waste: The solar dryer solution

A simple system for saving food and empowering women on the show today. Hundreds of millions of tonnes of food go to waste every year, much of it bef…

4 years, 8 months ago

Ways to save the planet: Using the sun

Floating solar panels and a see-through pyramid are the solutions this week. The sun is the ultimate source of energy for life on earth. Harnessing…

4 years, 8 months ago

The tiny satellites changing how we see Earth

CubeSats are small but mighty. They started as an educational toy in 1999, but now help people tackle issues from deforestation in Brazil to modern s…

4 years, 8 months ago

The 15-minute city

Everything you need on your doorstep: a radical plan to improve our cities. Imagine if everything you needed - your work, leisure a…

4 years, 8 months ago

COP26: The tech helping you to help the planet

Climate change is set to alter our planet and human beings need to change the way we live and work. But how do we know exactly what changes to make? …

4 years, 9 months ago

Ways to save the planet: Ancient solutions

Sixteen percent of greenhouse gas emissions could be saved by using biochar, a simple fertilising technique adopted by tribes in the Amazon thousands…

4 years, 9 months ago