Cook County tracks and measures several air pollutants through an air monitoring network situated throughout the County. Particulate Matter (PM) is a pollutant consisting of microscopic particles that can enter the body if inhaled. …
Cook County Board President Toni Preckwinkle today introduced an ordinance that would give Cook County significant new tools and information to increase recycling, prosecute fly-dumping and reduce thefts of metal and other valuable materials from…
Cook County earned a national achievement award for saving a whopping $2.5 million dollars in energy costs.