This white paper provides an overview of the key sustainability requirements from various stakeholders, including governments, companies and consumers. It considers how environmental sustainability can be quantified using both greenhouse gas (GHG) accounting and life cycle assessments can be quantified, and the key steps in reducing the environmental footprint of the milling process and in the cereals and grains value chain. By quantifying environmental impacts, companies can create a data-based discussion, enabling them to create a competitive advantage and build a favorable business case for sustainable products. When sustainability is profitable, it will create impact at scale.