Phosphorus is a necessary nutrient required for all life. However, it is only found in limited quantities in nature. In a new doctoral thesis at the University of Borås in Sweden, biochar plays a ...

A tractor applies biosolids to a field next to the Wakarusa Wastewater Treatment Plant on February 22, 2025. In Lawrence, officials don’t think there’s much risk of harmful chemicals getting into the ...

Municipal sludge is a by-product of wastewater treatment that is produced in massive quantities worldwide. Managing this material remains a growing environmental challenge. Traditional treatment ...

Scientists at Nanyang Technological University, Singapore (NTU Singapore), have developed an innovative solar-powered method to transform sewage sludge — a by-product of wastewater treatment — into ...

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While Maine has outlawed sludge as an agricultural fertilizer, preferring to landfill it to stop the spread of the harmful forever chemicals lurking within, California has taken the opposite tack.