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Sustainability Guides

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Lighting Product Sustainability Metrics – Supporting the Industry at All Levels

Through our dual approach:

  • Members gain access to in-depth technical guidance on producing credible sustainability metrics, aligning with best practice and demonstrating commitment to measurable change.
  • The wider industry — including designers, specifiers, procurement teams and consultants — benefits from a clear and accessible guide on how to use and interpret this data effectively in project decision-making.

Together, these resources provide a joined-up framework: manufacturers producing reliable data, and specifiers applying it responsibly — building confidence, consistency, and leadership across the sector.

Both documents will be iterated based on feedback, and we invite members and the wider industry to share their views so we can continue refining this guidance for future updates.

Lighting Product Sustainability Metrics (Member Resource)

Issue 1, April 2025
For LIA Members Only

Description:
This information sheet provides detailed guidance for manufacturers on applying sustainability metrics such as TM65.2, TM66, LCA, and EPDs to their products. It sets out recommended practices, comparability considerations, and reporting quality levels — supporting manufacturers in building robust, transparent sustainability data.

Download Here

 

Understanding Sustainability Metrics for Lighting Products (Public Guide)

Issue 2, September 2025
For Lighting Designers, Specifiers, Procurement Professionals and Consultants

Description:
Developed to support the wider industry, this guide explains how to interpret sustainability metrics provided by manufacturers. It helps specifiers and designers ask the right questions, understand reporting quality levels, and avoid common pitfalls when using environmental product data in projects.

Download Here