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 Where can I taste a free sample of Coca-Cola No Sugar? Is Coca-Cola No Sugar about sugar concerns? What is Coca-Cola No Sugar sweetened with? Will Coca-Cola No Sugar replace Coke Zero? What does this mean for Diet Coke?