Five Questions for John Gunn

A robust industry has grown up around harvesting trees for generating electricity, but researchers continue to urge caution, noting that the presumed “carbon neutrality” of woody biomass is a complicated matter. John Gunn, a New Hampshire forest scientist, is among them. “We need to do the math,” he says.

Pellet Problem: Biomass & Climate

A new report, submitted to securities regulators, argues that a woody biomass producer is exaggerating the climate benefits of its product — particularly it is sold as a feedstock for electricity production. The company dismissed the complaint — though both sides seem to agree that the devil is in the details.