Biochar: An ancient solution to a modern problem - Lopa Brunjes VideoAndrew Hayim De Vries8 July 2020biochar, ted talks, TEDx, lopa brunjes, colorado, biochar engineering corps
Biochar: Putting the carbon genie back in the bottle - Rob Lerner VideoAndrew Hayim De Vries3 July 2020rob lerner, biochar, biology, environment, latin america, sustainability, renewable energy, carbon, tedx, ted talks
Biochar: The oldest new thing you've never heard of - Wae Nelson VideoAndrew Hayim De Vries3 July 2020biochar, wae nelson, orlando, Tedx, ted talks, mechanical engineering, gardening, carbon, ecology
