A company is processing wood chips into biochar for use as a soil amendment. Now, it wants to do the same with sewage solids.

Biochar is often overlooked as a soil amendment, but it’s incredibly beneficial for plants and gardens, and it’s easy to make ...

Biochar is a carbon-containing material formed by the pyrolysis of biomass under anoxic conditions. It features a well-developed pore structure and excellent adsorption performance, and holds ...

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Researchers have developed a new strategy to transform microalgae into high-value fuel chemicals more efficiently and cleanly ...

In a forested area near the tiny town of Riddle on Oregon’s west side, Ken Carloni kneels to examine a native orchid. His white ponytail juts out from under a newsboy cap. To the south, a mosaic of ...

A proposed plant that would use a high-heat process to turn sludge into fertilizer has residents worried about odors and property values.