The crossword solution for the term 'GO GREEN, SAY' is 'DYE'. Dyeing is a process of adding color to fabric or other materials. It is often used to make clothes and other items look more vibrant and colorful. Going green is a popular movement that encourages people to reduce their environmental impact by using eco-friendly products and practices. Dyeing fabric with natural dyes is one way to go green and reduce the amount of chemicals used in the dyeing process.