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Nov 2021
23m 52s

Ways to save the planet: Ancient solutio...

Bbc World Service
About this episode
<p>Sixteen percent of greenhouse gas emissions could be saved by using biochar, a simple fertilising technique adopted by tribes in the Amazon thousands of years ago. If produced on an industrial scale, scientists say biochar could be as powerful as renewable energy in the fight against climate change. Picture Credit: Carbofex and Puro.earth</p> 
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