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Forget the cutting edge embrace the old tech…
This solar array is part of a high-tech toilet prototype that…
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How effective is biochar at removing pesticides from…
As part of a filtration system, biochar is a top-notch and…
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How to Make a Biochar Gasifier
Add biochar to a garden or farm to improve the soil’s…
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An Ancient Filtration Material Removes Pesticides from Drinking…
Charcoal has been a part of water treatment for at least…