Why is terra preta linked to alternate energy & climate change?

Terra preta is a carbon sink, as is most carbon in the soil. Slash-and-burn agriculture contributes greatly to global warming. If terra preta technologies were applied to tropical farming, less land would have to be cleared for farming, and if farmers in temperate zones such as the Midwest incorporated charcoal or other chars into their soil, more carbon could be sequestered.

If' this char is produced by appropriate technology, such as pyrolysis, both fuel and a "restorative, high-carbon fertilizer" can be produced. This process does not require woodit is just as effective when agricultural wastes, such as peanut shells, are used as input. A good place to learn about this technology is at www.eprida.com.

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