Glass packaging offers a number of benefits for food and drink, including its effective preservation capabilities.
As sustainability becomes a non-negotiable, many are moving to more eco-friendly and recyclable packaging materials such as glass. In particular, there has been a shift towards lightweight glass bottles which can reduce transportation costs and lower environmental impact.
However, while glass is endlessly recyclable, its production is an intensive process, generating around 95 million tonnes of CO₂ emissions globally each year. Unlike other sectors such as steel and forestry, glass is also yet to have a unified international sustainability framework.
Not-for-profit, Responsible Glass – which was established in December 2025 to address this gap – has now published the first draft of its International Standard for Glassmaking. This represents a key step in creating the world’s first global sustainable standard, certification and labelling system for the glass industry.
What does the glass standard ask?
The standard has been designed to create a clear, independently verifiable framework for responsible glassmaking. It covers the entire glass value chain, from the sourcing of raw materials and energy through to glass production, product design and recycling.
Under the proposals, glassmakers seeking ResponsibleGlass certification would be independently assessed against requirements covering governance, responsible sourcing. To achieve certification, facilities would need to demonstrate compliance with requirements covering responsible sourcing, environmental performance, worker welfare, transparency and circularity.
The standard also sets out rules for measuring and reporting sustainability performance, meaning glassmakers would be required to use consistent definitions and reporting methodologies for issues such as carbon emissions, recycled content and responsible sourcing. This would make it easier for customers and stakeholders to compare performance across the industry.
Consultation launched
The proposals have been developed by ResponsibleGlass members, supporters and stakeholders from across the glass value chain over the last six months; and are now open for feedback over a 60-day consultation period.
Commenting on the draft proposals, Matthew Wenban-Smith, standards lead, said: “Having worked on global standards for decades, from the early days of the FSC for forestry to the establishment of ResponsibleSteel, I have seen first-hand how multi-stakeholder certification can create value for sustainability performance across an industrial sector. With ResponsibleGlass, we are applying that same proven rigour to glass production.
“While driving down carbon emissions is a critical priority, true sustainability cannot be defined by a single metric. This standard deliberately covers the full ESG spectrum, addressing sustainability data transparency, circularity, resource management, and social impact.
“This draft is our starting point, and we now look to the technical expertise and diverse perspectives of the global glass community during this 60-day consultation to ensure the final standard is robust, practical, and highly impactful.”
The feedback will be used to help develop an updated version of the standard, expected to be published at the start of next year.
The initiative is being spearheaded by Francis Sullivan, former head of sustainability at HSBC, and Alan Knight, former board member at ResponsibleSteel. ResponsibleGlass now has a global network of 160+ members.