Executing a global decarbonization strategy requires heavy corporate alignment to bridge the communication gap between environmental metrics and financial P&L outcomes . Front-running enterprises are shifting past basic target-setting to focus on deep cross-functional execution, utilizing primary data sourcing, carbon shadow pricing, and total cost of ownership (TCO) models to prove that sustainable optimization directly protects a business's bottom line . In this panel session from Sustainability LIVE at London Climate Action Week (LCAW) 2026, chief sustainability officers from WSI, Smurfit WestRock, Crown, Electrolux, and American Express Global Business Travel review the complexities of managing international corporate footprints . The discussion highlights the reality of the food sector representing 30% of global greenhouse gas emissions, noting WSI's transition to its third baselining methodology to capture primary data across a supply chain where animal proteins drive 96% of total emissions . The experts address deep geopolitical variations, analyzing extended producer responsibility (EPR) packaging laws across the United States, climate disclosures in California, and why the economic incentives of the Inflation Reduction Act (IRA) remain resilient inside red states due to localized job creation . The panel details technical industry breakthroughs, including Smurfit WestRock’s capital transition to eliminate coal usage at its Virginia paper mill based on total historical demurrage and dust disposal costs , and how Crown uses circular closed-loop systems to fully decarbonize high-intensity aluminum production . Finally, the leaders address critical flaws in the European Union's Carbon Border Adjustment Mechanism (CBAM)—such as taxing imported raw materials but omitting finished goods like refrigerators —and deliver actionable insights on deploying shadow carbon prices to capture corporate travel budgets and unlock front-runner market advantages .