A twenty-year window, for water systems planning, is not a long stretch of time. Any sensible analysis of present and future costs would conclude that we should plant trees now.● But since asking a sewer specialist to plant trees is like asking a pig to fly, we need to make the case to the generalists who are hopefully in charge, like mayors, to make trees a priority. Fortunately, there are even greater financial rewards that can be reaped by doing so.
