Environmental labels and sustainability marks help businesses communicate the environmental performance of their products and services. These labels provide customers with reliable information and support informed purchasing decisions.

To ensure environmental claims are accurate and transparent, the ISO 14020 series provides internationally recognized standards for environmental labels and declarations.

ISO 14020 – Environmental Labels and Declarations

ISO 14020 establishes the general principles for environmental labels and declarations.

The standard promotes:

• Accurate environmental information
• Transparent communication
• Scientifically based claims
• Verifiable evidence
• Fair and non-misleading environmental declarations

It serves as the foundation for all environmental labeling standards within the ISO 14000 family.

ISO 14021 – Self-Declared Environmental Claims

ISO 14021 applies when manufacturers or organizations make their own environmental claims without independent certification.

Examples include:

• Recyclable
• Reusable
• Compostable
• Recycled content
• Reduced material usage

The standard requires these claims to be supported by objective evidence to maintain credibility.

ISO 14024 – Type I Environmental Labelling

ISO 14024 specifies requirements for third-party environmental labels.

Products are independently assessed against environmental criteria before receiving certification. This helps increase customer confidence and demonstrates that environmental claims have been verified by an independent organization.

ISO 14025 – Environmental Product Declarations (EPDs)

ISO 14025 covers Type III Environmental Declarations, commonly known as Environmental Product Declarations (EPDs).

An EPD provides quantified environmental information based on a Life Cycle Assessment (LCA), allowing customers to compare products using standardized environmental data.

Why These ISO Standards Matter

Implementing ISO environmental labeling standards helps organizations:

• Build customer trust
• Improve transparency
• Support sustainability initiatives
• Reduce the risk of greenwashing
• Meet procurement and market requirements
• Strengthen ESG reporting

As businesses increasingly focus on sustainability, ISO-based environmental labels provide a consistent and internationally recognized way to communicate environmental performance.

Conclusion

The ISO 14020 series provides a structured framework for environmental labels and sustainability marks. Whether using self-declared claims, third-party certifications, or Environmental Product Declarations, these standards help organizations communicate credible environmental information and support sustainable business practices.