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Turning Waste Into a Natural Resource

Grades: 7-13+
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Johannes Lehmann sees 'biochar' — the substance that's created when biomass is charred, rather than burned — as a way to improve local agricultural productivity ...

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© 2010

Benchmarks for Science Literacy
NSTA National Science Education Standards

Learn that charring biomass waste results in biochar, a substance composed of carbon that doesn’t produce greenhouse gases. Discover the uses of biochar in farming and how it can help create a more sustainable agricultural system.

Source: EarthSky Podcasts