Eco labels are certifications or marks that identify products meeting specific environmental or social standards.
[certification]
They guide consumers in making informed choices by distinguishing products with reduced environmental impact from conventional alternatives. Eco labels are usually granted by third-party organizations after strict evaluation processes.
e.g. The EU Ecolabel certifies products and services that meet high environmental performance standards throughout their life cycle.
From ECONYL® Blog
What Are Ecolabels in Fashion and Home Décor? A Beginner’s Guide to Labelling & Transparency