Related by context. Frequent words. (Click for all words.) 66 beach erosion 56 subsidence 56 salinity 56 soil erosion 56 desertification 54 coastal 53 sedimentation 52 storm surges 52 wetlands 51 environmental degradation 51 biodiversity 51 erosion 51 climate change 50 Erosion 50 deforestation 49 estuaries 49 flooding 49 flood plains 48 inundation 48 overfishing 47 global warming 47 coral reefs 47 mangroves 46 wetland 46 sediment 45 marshland 45 reefs 45 marsh 45 algae blooms 45 floodplain 44 invasive species 44 floods 44 flood plain 44 barrier islands 44 shorelines 43 estuary 43 coastlines 43 extinctions 43 pollution 43 marshes 43 ecosystems 43 flood prone 43 stormwater runoff 43 embankments 43 seepage 42 coastline 42 silt 42 reef 42 habitats 42 mangrove 42 Wetlands 42 dredging 42 shoreline 42 fisheries 42 waterways 42 wildlife habitats 42 freshwater 42 seawall 41 flash flooding 41 Greenland ice 41 vegetation 41 breakwater 41 dune 41 coral reef 41 ecological 41 habitat 40 urban sprawl 40 tidal 40 flood 40 acid rain 40 tides 40 childhood obesity 40 groundwater 40 seabed 40 Wetland 40 hydrological 39 hypoxia 39 sea 39 aquaculture 39 glaciers 39 stormwater 39 dunes 39 Global warming 39 Biodiversity 39 drainage 39 fauna 39 ecology 39 marshlands 39 oil spill 38 urbanization 38 windfarm 38 encroachment 38 wildlife habitat 38 hydrology 38 obesity 38 Deforestation 38 oceans 38 landslides 38 levees 38 degradation 38 coral