At a sprawling 3M chemical manufacturing complex in Illinois, where the company makes adhesives for Post-it notes, golf clubs and LCD displays, several hundred pounds of a potent climate killer are vented into the atmosphere each day.
The company was also sued this year by the state’s attorney general for discharging PFAS, contaminating groundwater and the Mississippi River. It says it will stop manufacturing and using PFAS in its products by 2025.
With air quality hovering around dangerous levels in much of the world, the manufacturing company 3M has developed a way for the roofs of buildings to play a role in reducing pollution.
