Click for larger view. The top picture illustrates many of the practices that you'll read about on our lawn care pages that prevent pollution. The bottom picture below is another story. It shows at least eight instances of household practices that can cause pollution.
Answers are below.
Answers Grass clippings blown into street and storm drain. From there, they are washed into surface waters where their high phosphorus levels can pollute streams, rivers and lakes. Mulching mower in top picture returns clippings to lawn where they belong. Leaves raked into street also end up in storm drain, causing pollution. Boy using rotary spreader leaves fertilizer on paved surface where it will get washed into storm drain, causing pollution.