Black Gold

39 Ways to Save the Planet by BBC

Aug 30, 202113:43Science & Medicine

Biochar is an idea thousands of years old but one that seemed to have been (foolishly) lost by many along the way. Like charcoal, biochar is made by baking wood in the absence of oxygen and then quenched. It can then be...

Related Episodes

Continue listening to more episodes from 39 Ways to Save the Planet.

Zero Carbon Farm

Jul 22, 2022 - 13:23

Can British farmers transform themselves into carbon-cutting heroes? Arable farmer, Duncan Farrington has...

Hydrogen Revolution

Nov 18, 2021 - 12:41

It could be the clean fuel of the near future- for homes and for heavy machinery. Lord Bamford, head of J...

Arnold Schwarzenegger's favourite ways to save the planet

Oct 29, 2021 - 14:27

Arnold Schwarzenegger is the former governor of California and one of America's most influential green vo...

Hunting Down the Polluters

Oct 25, 2021 - 13:40

Tom Heap discovers fresh ways to quantify greenhouse gas emissions with help from satellites, artificial...

Low Carbon Crisps

Oct 25, 2021 - 13:44

Ever thought about the carbon cost of a packet of crisps? At CCM Technologies they think of little else....

Windcatchers

Oct 25, 2021 - 14:28

Wind energy is vital in the battle against climate change, but can we make improvements to harness more f...

Better Batteries

Oct 18, 2021 - 14:29

Batteries are powering the electric car revolution, but can we make them longer lasting, faster charging...

The Happiness Index

Oct 18, 2021 - 14:36

How well is your country doing? The GDP - gross domestic product - has long been a measure of growth and...