We often hear about efforts to lessen the effects of air pollution and water pollution, but very little about controlling noise pollution. The highway department might install noise barriers near busy intersections and airports are usually built on the outskirts of cities, but that’s little help if your office is in a congested area or near train tracks. And let’s not forget that landscapers always seem to choose the times when you have an important meeting planned to operate their lawnmowers and leaf blowers!