Lego has been testing making some pieces out of corn-based plastic or other natural plastics. https://www.lego.com/en-us/sustainability/sustainable-materials ht

Lego has been testing making some pieces out of corn-based plastic or other natural plastics. https://www.lego.com/en-us/sustainability/sustainable-materials https://www.lego.com/en-us/sustainability/sustainable-materi... Some of the first forays resulted in notably lower-quality bricks.