The document provides 10 steps for marketing a green or eco-friendly product: 1) be credible and avoid greenwashing, 2) know your target market, 3) know your competition, 4) know your product, 5) get appropriate certifications, 6) package your product sustainably, 7) determine the right price point, 8) craft an effective green message, 9) seek partnerships with non-profits and other companies, and 10) promote your product creatively across various channels. The document also discusses the size and segments of the green market and importance of having a sustainable business model.