An IPM handbook for home gardeners. Information on managing over 30 common insects, diseases, weeds and other pests, using preventative and least-toxic methods. If you are interested in the issue of 'restricting' the use of chemical pesticides such that the cosmetic or non-essential use of pesticides would be banned, here are some useful sites. All lawn mowers can be used to grasscycle but dedicated mulching mowers will do a better job. Push mowers are non-polluting.
Electric mowers are environmentally friendly.
And new, strict EPA standards make the latest gas mowers much cleaner than mowers from just a few years back. The following manufacturers are listed in no particular order. You can save on fertilizer and insure a healthy root system by leaving the clippings right on the lawn. A wide variety of mowers can be found here. On average, electric and battery powered mowers tend to be lighter in weight and easier to maneuver than gas mowers.