The Blue Angel certification is a German environmental label that has been awarded since 1978. It identifies environmentally friendly products and services that fulfil strict ecological and health requirements. The aim is to promote sustainable consumption and encourage companies to develop more environmentally friendly alternatives. The Blue Angel is awarded by the German environmental authority (Federal Environment Agency) and covers a wide range of products, from paper and furniture to electronic devices. The Blue Angel specifies specific criteria for various product groups that take into account both ecological and health aspects. The criteria for the individual product groups can be found at: https://www.blauer-engel.de/en/certification/basic-award-criteria#UZ5-2022