Friedrichshafen, Germany — At Fakuma, Coperion GmbH showcased a 3D simulation of a complete plastics recycling plant. Together with its subsidiary Herbold, acquired two years ago, the Germany ...

Much of the U.S. uses single-stream recycling, where plastic, glass and paper go into one bin. Here’s what happens to that material and ways engineering is trying to improve the process ...

Most small plastics don’t get recycled, and putting them in your bins could end up doing more harm than good, said Susan Collins, president of the Container Recycling Institute, a nonprofit group.