What is ethical and socially responsible marketing and why should marketers be concerned about CSR and sustainability?

What is ethical and socially responsible marketing and why should marketers be concerned about CSR and sustainability?
What factors contributed to the marketing success of FIJI Water?
What does it mean for FIJI Water to go carbon negative? How does one measure and report carbon footprints of products? Is the carbon footprint of FIJI Water big compared to other products?
What is greenwashing and how can it be identified? Do you think FIJI Water is engaged in greenwashing? What could the company do to gain environmental credibility?