Water Bottle Pollution Solution

I was just listening to a report this morning on the fact that, yes, many are drinking more water which is beneficial to health, but many are buying cases of water in water bottles on a regular basis, and the bottles are becoming a pollution problem. Personally, very rarely do I buy a case of pure water from the store, because I have a counter-top reverse osmosis water purifier and a 2 gallon polycarbonate bottle with a spigot that I fill from the purifier on a regular basis. There's also a bot