The guide will allow everyone involved in composite design and manufacture to improve the sustainability performance of their products and present clear sustainability rationales to potential clients, increasing their business and stimulating growth in the composites industry. The life-cycle impacts of each material and process choice from the cradle to the factory gate are presented in simple comparative rankings, allowing informed decisions to be made. Its easy-to-use format means that basic life-cycle assessment data for composite materials and processes can be easily understood, materials and processes can be compared, and informed decisions made.