This document defines green marketing as marketing products or services based on their environmental benefits. It discusses why companies engage in green marketing, including opportunities, social responsibility, government pressure, and costs. It provides examples of green aspects in various services like financial, transportation, medical, education, and retail services. The benefits of green marketing include access to new markets and competitive advantage. The green marketing mix of product, price, place, and promotion is explained. Strategies, challenges, and conclusions of green marketing are also outlined.