Carbon-Negative Farming with Biochar(vimeo.com)3 points·by jaramburu·13 ปีที่แล้ว·1 commentsvimeo.comCarbon-Negative Farming with Biocharhttps://vimeo.com/639094451 commentsPost comment[–]jaramburu·13 ปีที่แล้วreplyTechnology to grow more food and fight climate change