How farming companies are using a carbon rich material to enhance soils and purify waste water.
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Like the ancient Amazonians of centuries past, farming companies today are using a carbon-rich material to enhance soils or purify polluted waste water. It’s called “biochar.” We take you to Florida, where farmers and geochemists are creating biochar through an age-old practice.

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“SciTech Now” is a new weekly, half-hour newsmagazine program focusing on “the nexus of new ideas.” Hosted by Hari Sreenivasan, anchor of “PBS NewsHour Weekend” and a senior correspondent for the nightly program, “SciTech Now” tackles topics including technology, scientific discovery and innovation.

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