Related by context. Frequent words. (Click for all words.) 61 manmade disasters 60 natural disasters 59 catastrophes 58 disasters 52 catastrophe 51 calamities 50 disaster 50 devastations 48 natural catastrophes 48 geological disasters 48 natural 47 Soil erosion 47 natural calamities 47 ecological disasters 47 biodiversity hotspots 46 Tohoku earthquake 45 hurricanes 45 hurricanes earthquakes 45 Great Kanto Earthquake 45 floods 45 manmade catastrophe 45 calamity 44 Everglades ecosystem 44 tsunamis 44 cataclysms 44 coastal ecosystems 44 floods landslides 44 costliest hurricane 44 river deltas 43 extinctions 43 manmade 43 earthquakes floods 43 monsoon floods 43 rampant deforestation 43 species extinctions 43 Honshu island 42 terrestrial ecosystems 42 earthquakes tsunamis 42 devastating floods 42 coastal erosion 42 pine beetle epidemic 42 Catastrophe losses 42 freshwater marshes 42 cholera epidemics 42 habitat fragmentation 41 cyclone Aila 41 devastation 41 freshwater ecosystems 41 insect borne diseases 41 catastrophic 41 typhoons Ondoy 41 torrential storms 41 aquatic habitats 41 forest ecosystems 41 ecologies 41 ravages 41 floods droughts 41 bioterrorist attacks 41 Natural disasters 41 Tropical Cyclone Sidr 41 ecosystems 41 soil erosion 41 ecological catastrophe 41 hurricanes Charley 40 mass extinctions 40 earthquakes 40 droughts floods 40 landforms 40 hurricanes Katrina 40 earthquakes volcanoes 40 Large swathes 40 shoreline erosion 40 conserve biodiversity 40 coral reefs 40 Great Hanshin Earthquake 40 Gulf Coasts 40 ecological degradation 39 obj obj = 39 worsening droughts 39 biodiversity 39 tidal surges 39 harmful algal blooms 39 hurricanes tornadoes 39 frequent droughts 39 coastlines 39 locust invasion 39 cyclone Sidr 39 cyclones 39 triggered avalanches 39 catastrophic wildfires 39 hazard mitigation 39 terrorist attacks 39 epidemics 39 La Nina cooling 39 agroterrorism 39 biodiversity hotspot 39 stone countertops 39 costliest natural 39 El Niños 39 Volcanic eruptions 39 aquatic ecosystems