<p>A young scientist has developed a white powder which gives waste soil concrete-like properties.
Gnanli Landrou grew up in Togo, helping his neighbours dry out soil to make bricks, and his big dream is to help people like them build stronger, cheaper, houses.</p><p>But the European building industry is also excited about his new, low carbon building mate ... Show More
Oct 13
The everyday tech helping to prevent disasters
For International Day for Disaster Risk Reduction (October 13th), we're finding out how technology can help prevent disasters, save lives and help rescuers. In Argentina, we’ll meet Franco Rodríguez Viau whose family friends lost their home in a fire, inspiring him to find a way ... Show More
25m 21s
Nov 2023
Rammed earth: What is it and can it help tackle climate change?
Cement is said to be responsible for 8% of global carbon emissions. In the search for an alternative, more sustainable construction material, building companies in Ghana and other African countries are reviving an ancient technique called ‘rammed earth’. Daniel Dadzie, a BBC repo ... Show More
15m 32s
Jan 2021
How we could make carbon-negative concrete | Tom Schuler
Concrete is all around us: we use it to build our roads, buildings, bridges and much more. Yet over the last 2,000 years, the art of mixing cement and using it to bind concrete hasn't changed very much -- and it remains one of the world's biggest emitters of carbon. Entrepreneur ... Show More
5m 16s
Dec 2023
A concrete solution to climate change
Concrete is one of the world’s biggest sources of carbon emissions. Tech companies, including a startup co-founded by former NBA star Rick Fox, are looking to change that.
This episode was produced by Hady Mawajdeh, edited by Matt Collette, fact-checked by Isabel Angell, engineer ... Show More
25m 53s