19 Jun 2023 --- Oxo-biodegradable plastics, which use various forms of additives to break down polymers in the natural environment, are under increasing scrutiny following the release of an extensive study review conducted at the University College London (UCL), UK. The findings could lead to an expansion of existing international bans on the materials and are fueling an ongoing 40-year legislative and scientific debate, which has already caused numerous litigation cases, accusations of defamation and claims of violent personal threats to industry critics.