Scientist says ancient technique cuts greenhouse gas

Full Story At  Reuters

OZNAN, Poland (Reuters) – An ancient technique of plowing charred plants into the ground to revive soil may also trap greenhouse gases for thousands of years and forestall global warming, scientists said on Friday.

Heating plants such as farm waste or wood in airtight conditions produces a high-carbon substance called biochar, which can store the greenhouse gas carbon dioxide and enhance nutrients in the soil.

Plants absorb carbon dioxide from the atmosphere as they grow. Subsequently storing that carbon in the soil removes the gas from the atmosphere.

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