Toxic plumes spew from an unlikely source: renewable energy plants

U.S. biomass debate intensifies with new limits in Massachusetts

Stories from the Balkans, Tanzania and the United States.

A 2007 federal law envisioned a bright future for cellulosic ethanol, an environment-friendly fuel made of wood chips, switch grass, corn st

Lawsuits challenge "politically favored" clean energy that isn't so clean - biomass plants