www.cleanproduction.org

Wikipedia: Substitution principle (sustainability)

Anchor text: Clean Production Action publications

Wikipedia: Wikipedia:WikiProject Environment/Environmental Record task force

Anchor text: Green Design

Wikipedia: Soesterberg Principles

Anchor text: Clean Production Action (CPA)

Wikipedia: Substitute It Now! list

Anchor text: Clean Production Action

Wikipedia: GreenScreen for Safer Chemicals

Anchor text: Clean Production Action

Wikipedia: GreenScreen List Translator

Anchor text: How Producer Responsibility for Product Take-Back Can Promote Eco-Design

Wikipedia: Take-back system