California is tightening the strictest rules in the nation on a pesticide that is popular with farmers over new health concerns, officials said Friday. Farmers use chlorpyrifos (klor-PHIR-e-fos) to kill pests that attack a wide variety of crops like grapes, almonds and cotton grown in California, the nation’s agricultural leader, […]


Scientists from the School of Engineering & Applied Science at Yale University have developed a plant-derived material that can be used to purify water potentially far more effectively than current petroleum-based membrane materials. The material, a highly ordered and aligned nanoporous polymer, is based on natural fatty acids that are […]


Solar panels power a buried electrolytic barrier removing contaminants from groundwater. Credit: Thomas Sale, CSU, Author provided Without knowing it, most Americans rely every day on a class of chemicals called per- and polyfluoroalkyl substances, or PFASs. These man-made materials have unique qualities that make them extremely useful. They repel […]