U.K. environmentalists are calling for urgent government regulation of "sewage sludge" on farmland. They have warned that outdated rules are allowing toxic chemicals and microplastics to be spread on ...

The International Organization for Standardization has approved a set of China-led global guidelines for testing and ...

WACO, Mo. - Sludge from a sewage plant in Springdale, Ark., could be shipped as early as this week by truck to a test site at Waco where it will be mixed with topsoil to reclaim and revegetate about ...