The compounds extracted from car tires find their way into agriculture through atmospheric deposition, irrigation with treated wastewater and the use of sewage sludge as fertilizer. "There they ...

NAGOYA--Sludge generated through sewage treatment is set to be marketed by city officials here as the perfect fertilizer rich in nitrogen and phosphorus. Nitrogen is an indispensable ingredient ...

The concerns are reminiscent of a problem a New York Times report examined earlier this year with farms using municipal ...

A bill introduced by Senators John Boozman of Arkansas and Cynthia Lummis of Wyoming, both Republicans, would protect sludge companies like Synagro, as well as the wastewater plants that provide ...