___________ is an environmental policy under which producers are given a significant responsibility - financial and/or physical - for the treatment or disposal of products that are no longer useful to the consumer.

Extended Producer Responsibility

The correct answer is Option 3  -Extended Producer Responsibility

Extended Producer Responsibility (EPR): Under EPR, producers are tasked with taking responsibility, either financially or physically, for the treatment or disposal of products at the end of their life cycle. This policy aims to encourage producers to design products with environmental considerations in mind and to promote recycling and proper disposal practices.