The document discusses the environmental performance of three companies: The Good - A successful yogurt company that uses organic ingredients and generates renewable energy. It has received awards for its sustainability efforts. The Bad - Walmart has implemented some green initiatives but its large size and operations require significant resources. Its environmental track record and passing responsibility to suppliers is questioned. The Ugly - A mining company that is one of the world's largest polluters due to its operations in Russia. The area has extremely high heavy metal pollution and acid rain despite reform efforts to reduce emissions.