Related by context. Frequent words. (Click for all words.) 60 clogged gutters 59 clogged drains 57 stagnant pools 57 sidewalks driveways 56 Grass clippings 55 apple cores 55 Soil erosion 54 indiscriminate dumping 54 rust stains 54 Septic tanks 54 non degradable 54 Unsightly 53 rotting vegetation 53 storm drains 53 Cigarette butts 53 garbage heaps 53 Clogged 53 muddy puddles 53 overflowing bins 53 Stormwater runoff 53 cotton buds 52 Raw sewage 52 Poorly maintained 52 Garbage cans 52 decaying vegetation 51 discolors 51 creeks rivers 51 Contaminants 51 corrosives 51 Trash cans 51 discolour 51 unpleasant smells 51 Culverts 51 dryer vents 51 Dust mites 51 compost heaps 51 Slushy 50 uncut grass 50 littering 50 potato peels 50 Decaying 50 goose droppings 50 Toxic chemicals 50 Melting snow 50 putrefying 50 drains 50 Encroachments 50 Methylmercury 50 Thoroughly cooking 49 acidify 49 rain gutters 49 Polluted 49 animal droppings 49 creeks streams 49 Diesel exhaust 49 vegetable peelings 49 Melting glaciers 49 styrofoam cups 49 toxic algae blooms 49 stormwater drains 49 mold fungi 49 fluorocarbons 49 mold mildew 49 Snowmelt 49 lawn fertilizers 49 salination 49 Illegal dumping 49 catch basins 49 Acidic 48 animal dander 48 Plastic bags 48 Littering 48 Disinfect 48 uncollected rubbish 48 pesticides fertilizers 48 recharge groundwater 48 garbage disposals 48 Rinsing 48 Plastic bottles 48 polluting groundwater 48 Rotting 48 Ireland rids itself 48 fecal material 48 bd.className + = 48 Nitrogen oxides 48 toilets sinks 48 EarthTalk 48 leaves grass clippings 48 Volatile organic compounds 47 deplete oxygen 47 unpleasant smell 47 herbicides pesticides 47 lawn clippings 47 Pungent 47 putrid smell 47 polluting waterways 47 candy wrappers 47 roof gutters 47 Invasive plants 47 grass clippings 47 Baking soda