The Organisation for Economic Co-operation and Development (OECD) is an international organisation committed to developing improved policies for enhancing quality of life. Their standard for readily biodegradable materials involves meticulous testing to confirm that the substance readily biodegrades in aerobic conditions.

Disclaimer: We include the nuances! 
It was a deliberate choice to filter in the nuances. This means we don’t just include certified accreditation but also unregulated terms and commonly used jargon. We chose to do this in order to gain a more rounded picture of each brand, aiming to enhance the validity and reliability of our understanding of their ethical stance.