'Biochar': Ancient Technology That Could Slow Climate Change

While most researchers and policy makers are looking to new technologies to slow the pace of climate change, scientists from Cornell University and the University of New South Wales are reporting that "biochar" — a material that the Amazonian Indians used to enhance soil fertility centuries ago — has potential in the modern world to help slow global climate change. Mass production of biochar could capture and sock away carbon that otherwise would wind up in the atmosphere as carbon dioxide, the main greenhouse gas. . read more

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