This guide, written by one of the leading experts in life cycle analysis and environmental impact assessment, is designed to teach readers useful approaches, thought processes, and tips to help determine the environmental impact of a product or service. Topics covered in the book include life cycle assessment, tradeoffs, eco-labels, certifications, carbon offsets, renewable energy certificates, and the current status of the green marketplace. This text is written for any level of green education and its goal is to provide a solid foundation so that you can be more confident when looking for green products and services in the marketplace.