The development of ISO 14021 was intended to provide an international harmonization of widely used self-declared environmental claims and declarations that would serve as an alternative to regulations. Standards are voluntary tools and international standards are recognized by the WTO.

• Preface
• Chapter 1 Introduction: The ISO 14000 series standards
• Chapter 2 The ISO 14020 series standards
• Chapter 3 ISO 14020 and its relationship to ISO 14021, Type II EL
• Chapter 4 Introduction to ISO 14021
• Chapter 5 Interpretation of ISO 14021
• Chapter 6 Case studies of self-declared environmental claims
• References