Transparency in the supply chain. Unilever announce that they expect all suppliers to declare the carbon footprint of the goods and services provided on every invoice. Although there is no timeline against this, the suppliers who act will surely outperform those that don’t.

https://www.unilever.co.uk/news/press-releases/2020/unilever-sets-out-new-actions-to-fight-climate-change-and-protect-and-regenerate-nature-to-preserve-resources-for-future-generations.html?fbclid=IwAR0msJO9YbK8rzAi5MGCHfMGx4VxEK8_yHYNb3_pLhfY5kP97RocTZb3mE0