Discover the people and the projects trying to make the world a better place.
World Service,·945 episodes
A new kind of solar cell is made by drying a special liquid on a surface
01 Dec 2020,·23 mins
How to make train journeys greener using the power of the sun
24 Nov 2020,·23 mins
24 Nov 2020,·24 mins
Why former criminals are being chosen for jobs at hundreds of companies in a small US city
17 Nov 2020,·23 mins
17 Nov 2020,·27 mins
Answers to your questions about regrowing the rainforest and other stories we’ve covered
10 Nov 2020,·23 mins
Brilliant ideas from school kids to help solve crime, make life safer and much more
03 Nov 2020,·23 mins
Saving dolphins from stranding on beaches - we meet the team improving survival rates
27 Oct 2020,·23 mins
27 Oct 2020,·25 mins
Inside the “sneakernet” - the people carrying websites to places that are off the grid
20 Oct 2020,·23 mins
20 Oct 2020,·24 mins
Jellyfish could be used to filter microplastics from water and develop new medicines
13 Oct 2020,·23 mins
13 Oct 2020,·25 mins
US police are being taught what to do if they're worried about a colleague’s actions
06 Oct 2020,·23 mins
06 Oct 2020,·25 mins
Better facial recognition and changing algorithms - how to fight racial bias in AI
29 Sep 2020,·23 mins
AI to help lifeguards in Israel and weather forecasts for fishermen on Lake Victoria
22 Sep 2020,·23 mins
Old mobile phones are being used to catch illegal loggers in the rainforest
15 Sep 2020,·23 mins
15 Sep 2020,·24 mins
Looking for the happiest places in the world and finding out what makes them happy
08 Sep 2020,·23 mins
Three radical new ways to save data – in DNA, glass and magnets
01 Sep 2020,·23 mins
The people hoping to use sanitary pad micro-factories and silicone cups to help women
25 Aug 2020,·24 mins
Mums in Madagascar are ensuring others get the treatment that has transformed their lives
18 Aug 2020,·24 mins
