According to the new book Flow: The Cultural History of Menstruation, the average woman throws away 250 to 300 pounds of “pads, plugs, and applicators” in her lifetime. That sounds like a lot. But how much is 300 pounds in the grand scheme of things? Consider that the average American woman menstruates for 38 yearsâ€”a period during which she can be expected to produce a grand total of 62,415 pounds of garbage (PDF). Thus, during your fertile years, period-related detritus should make up about 0.5 percent of your personal landfill load.Â Check out ways to green it up.