One of fashion’s most widely used sustainability tools should not be used on its own and more work is needed to improve the underlying data, according to a third-party report commissioned by its maker, the Sustainable Apparel Coalition (SAC), in response to a greenwashing controversy that has rocked the industry.
The SAC’s Higg Materials Sustainability Index (MSI) “could be prone to misinterpretation” when used by itself, the report…