Share 'Are Reverse Osmosis water systems actually eco-friendly?'

Let me start by saying that my reverse osmosis water system is great. I have had it for several years. It seems to be top-shelf for purifying water by removing lead, rust, etc.. The water is pure with no odors and the cost was under $200. We use it everyday and I recommend them. However, there is one major concern I have: It uses 3 gallons of water to produce 1 gallon of pure water. Does the extr…