Below you'll find some of the most frequently asked environment questions about Coca-Cola: Do you support a container deposit scheme? Can't find your question? Please send them to us. RELATED LINKS Why did you launch Coca-Cola No Sugar? What does this mean for Diet Coke? Does Coca-Cola No Sugar contain preservatives? Where can I taste a free sample of Coca-Cola No Sugar? What is Coca-Cola No Sugar sweetened with?