Environmental chemists and waste‑management engineers are drawing new attention to an old form of litter: cigarette filters made from cellulose acetate. Recent peer‑reviewed work in ...

A closeup electron microscopy image of activated carbon, like those found in water filters. Credit: Dr. Mark Gale Activated carbon filters have become common household items as water filters in ...

Researchers at the University of Delaware have transformed discarded corn cobs and other agricultural byproducts into high performance biochar filters that capture both ammonia and tiny plastic ...

WASHINGTON (Reuters) - Upgrades to a wastewater treatment plant in Colorado helped filter out gender-bending chemicals that were affecting fish, U.S. researchers reported on Monday. They said male ...

Learn how Canadian facilities can lower HVAC operating costs and reduce air filter waste with Camfil Canada’s optimized filtration strategies and diversion programs. CONCORD, ON, Jan. 05, 2026 (GLOBE ...

A new process uses bacteria to filter wastewater while creating electricity. Whether wastewater is full of "waste" is a matter of perspective. "Why is it waste?" asked Zhen (Jason) He, professor in ...