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 ...

A resourceful solution to repurpose waste and nourish farmland, or a poisonous and permanent mistake? Depending on whom you ask, the practice of spreading treated sewage, or sludge, on New Hampshire ...

Another way to use waste: a California start-up plans to test a mobile wastewater biorefinery that turns sewage sludge into a biodegradable plastic. Martin LaMonica is a senior writer covering green ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Many laboratories throughout the UK are switching their E.Coli sludge testing procedures from traditional most probable number (MPN) methods to IDEXX’s rapid ...