Related by context. Frequent words. (Click for all words.) 55 landfills 44 landfill 43 waste 42 toxic waste 42 Landfills 42 sludge 41 contaminate groundwater 41 recycle 41 Pacific Garbage Patch 41 recycling 41 garbage dumps 41 plastic bottles 40 recyclers 40 toxic pollutants 40 garbage 40 pollution 39 urban sprawl 39 toxic chemicals 39 wastes 39 sprawl 39 suburban sprawl 39 stormwater pollution 39 trash 38 landfilling 38 environmentally unfriendly 38 waste disposal 38 waterways 38 rapid urbanization 38 dumpsites 38 hazardous waste 38 safely dispose 38 stormwater runoff 38 toxic wastes 38 garbage dump 38 recyclable materials 37 properly dispose 37 polluted 37 curbside recycling 37 polluted runoff 36 landfilled 36 polluting 36 storm drains 36 cleanups 36 hazardous chemicals 36 nutrient pollution 36 pollutants 36 plastic bags 36 contaminated soils 36 cities 36 recyclables 36 environmentally sound 36 fossil fuels 36 vast amounts 36 toxic substances 36 environmental degradation 36 Superfund sites 36 contaminants 35 raw sewage 35 sewage overflows 35 byproducts 35 tailings ponds 35 sewage 35 recyclable 35 blighted neighborhoods 35 urban blight 35 disposable diapers 35 toxic sludge 35 toxic 35 sewer overflows 35 air pollution 35 coal ash 35 septic tanks 34 curbside collection 34 garbage disposal 34 recycling bins 34 incinerators 34 hazardous waste disposal 34 polluted rivers 34 improperly disposed 34 trash incinerator 34 toxics 34 finite resource 34 environmentally sensitive 34 harmful chemicals 34 Coastal Cleanup Day 34 skyrocketing 34 red sludge 34 clean 34 plaguing 34 reusable bags 34 rainwater runoff 34 wastewater 34 untreated sewage 34 overpopulation 33 sewage spills 33 tar sands 33 organics 33 urban decay 33 biodegradable bags 33 desalinization 33 mine tailings