Related by context. Frequent words. (Click for all words.) 68 erosion 53 soil erosion 51 beach erosion 51 Pollution 50 coastal erosion 50 sedimentation 49 Flooding 49 Sediment 46 subsidence 46 Vegetation 45 eroding 45 sinkholes 45 silting 44 siltation 44 Mitigation 44 Sinkhole 43 Corrosion 43 Deterioration 42 erosions 42 seepage 42 Deteriorating 42 Contamination 42 Drainage 42 eroded 42 Landslides 42 Crumbling 41 Potholes 41 landslip 41 Stormwater 41 Runoff 41 Starvation 41 environmental degradation 41 Vulnerability 40 Degradation 40 Insecurity 40 Draining 40 Drought 40 degradation 40 sinkhole 40 Floods 39 Dredging 39 flooding 39 Deforestation 39 Remediation 39 Stagnant 39 encroachment 39 Breaches 39 Damaging 39 Mismanagement 39 coastal ecosystems 39 Piracy 39 overgrowth 38 Shrinking 38 Mudslides 38 beach nourishment 38 silt 38 Inadequate 38 Swelling 38 Ecological 38 Debris 38 Structures 38 Fragmentation 38 Levees 38 Weakening 38 Structural 38 Stretches 38 Groundwater 38 Droughts 38 wetlands 38 inundation 37 Corruption 37 sediment 37 acidification 37 Sewage 37 landslides 37 Inaction 37 Constraints 37 Bacterial 37 Landslide 37 renourishment 37 Militancy 37 storm surges 37 overdevelopment 37 Defects 37 acid rain 37 stormwater runoff 36 Disappearing 36 Infighting 36 Sludge 36 fragile ecosystem 36 Poverty 36 retaining walls 36 overgrazing 36 coastal wetlands 36 Dehydration 36 Neglect 36 Wetlands 36 Collapsing 36 shoreline 36 riprap 36 Watershed