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For Sale: Roundwood Manor, a historic estate built in 1924 on 8 acres near Hunting Valley, Ohio.

Drax's latest annual report shows that its largest source of biomass pellets is low-grade roundwood.

In response to critiques that biomass producers use full trees as well, Enviva’s chief sustainability officer, Kim Cesafsky, says it is true that the company often uses “roundwood form,” which is just an industry term for wood left as logs.

However, Cesafsky and Enviva argue they only use roundwood that wouldn’t go to market in other industries.

David Taylor, a roundwood timber framer for eco builder Ty Pren, has created three composting toilets for clients.