Macomb, Mich. — PTI Engineered Plastics, has expanded its class-8 certified clean room by 8,000 square feet, tripling the company's current capacity with its existing 2,500-square-foot white space.

The exponential growth in plastic is damaging ecosystems, the climate and human health. Why is reducing production so hard? The amount of plastic being churned out annually is far outpacing the global ...