Play a trick on your toilet-tank

Low-flow showerheads and dual-flush toilets are wonderful, but what if you want to save water in the bathroom without having to install something new? Simply fill up a half-liter (or larger, if it’ll fit) bottle with water and put it in your toilet tank, a trick that can save up to 7,500 gallons per year. More information on the Sierra Club’s Green Life Blog.