Many companies have net-zero targets. But only a fraction of those address the full range of greenhouse-gas emissions. Most focus on direct (scope 1) and energy-related (scope 2) emissions, while leaving supply chain and indirect (scope 3) emissions untouched. Yet scope 3 emissions often make up the majority of emissions produced. How can businesses and other organisations tackle all emissions across their supply chains? What is holding them back—and what practical steps are needed to ensure transparency and measurable progress across the board?