that both genuine leather and synthetic materials undergo a chemical processing to make the final material, however, as leather is produced from organic material it has a greater capacity to biodegrade at the end of product life? As an example, Greenpeace has labelled PVC as the “single most environmentally damaging type of plastic”.

* Source: https://www.leathersustainability.com/are-synthetic-materials-more-sustainable-than-real-leather/