| http://www.w3.org/ns/prov#value | - Basically, it???s straightforward and low technology to make charcoal by almost mediaeval methods from renewable wood sources, particularly if nitrogen fixing plants were used as feedstock, then sequester it by bulldozing it into landfills and/or water (either the sea, or streams that wash it out to sea), ideally after letting phosphates and other nutrients leach out and get back into the soil via
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