Eric Westervelt
Toxic Sludge: Coming to a Neighborhood Near You
What’s in a name? Whether you call it toxic sludge, or bio-solids, treated waste from America’s drainpipes is being used as farm fertilizer these days and there continues to be debate on the benefits versus the possible health risks. Eric Westervelt of New Hampshire Public Radio has this report.
Sludge-Eating Fish
Eric Westervelt of New Hampshire Public Radio profiles Terry Welch, a man with a dirty job and a unique idea. Welch uses bottom-feeding fish to break down huge quantities of sludge at his sewage treatment plant. Other sewage managers scoff, but federal sewage experts are taking interest in the process.