Burning biomass pellets instead of wood or plants could lower mercury emissions
Thursday, November 7, 2013 - 12:00
in Earth & Climate
For millions of homes, plants, wood and other types of "biomass" serve as an essential source of fuel, especially in developing countries, but their mercury content has raised flags among environmentalists and researchers. Scientists are now reporting that among dozens of sources of biomass, processed pellets burned under realistic conditions in China emit relatively low levels of the potentially harmful substance.