It was the first full-scale test of a biofilter's ability to reduce methane emissions from a pig herd, and the results were excellent, says Charlotte Scheutz, Professor at DTU, who headed the project.

Designed by Nedlaw Living Walls and maintained by a Parker Plants, Drexel’s biowall is North America’s largest living biofilter and the only such structure installed at a U.S. university. It consists ...

The City of Post Falls announced on Friday that it began a $150,000 maintenance project to improve the odor control system at the Water Reclamation Facility (WRF) located at 2002 West Seltice Way.