Related by context. Frequent words. (Click for all words.) 51 Radiation leaks 50 floods cyclones 49 Soil erosion 48 Lake Nyos 47 Margareta Wahlstrom 47 malaria dengue fever 47 Jan Vandemoortele 46 Tibor Dobson 45 salinization 44 catastrophe 44 salination 44 locust infestation 44 Entire villages 44 Chernobyl catastrophe 43 prolonged droughts 43 Red Cross Society KRCS 42 severe droughts 42 Pierre Kraehenbuehl 42 devastations 42 earthquakes volcanic eruptions 41 Tikopia 41 UNOCHA 41 thatch huts 41 archipelagic nation 41 Devastating floods 41 monsoon floods 41 catastrophic 41 Sayano Shushenskaya plant 40 tsunamis earthquakes 40 dzud 40 unimaginable deprivation 40 malaria cholera 40 Union Carbide factory 40 ecological degradation 40 Dobui 40 Viktor Beltsov 40 natural catastrophes 39 Unep 39 leafless charred trunks 39 devestation 39 Rapid urbanization 39 overflowing drains 39 glaciers melt 39 floods landslides 39 Klaus Stohr 39 arable lands 39 Walkerton Ont 39 agro pastoral 39 natural disasters 39 Mau forest 39 tsunami tidal waves 38 Sayano Shushenskaya 38 manmade catastrophe 38 makeshift refugee camps 38 periodic droughts 38 overexploitation 38 cyclone Sidr 38 Landslides triggered 38 squalid tent camps 38 meteor impacts 38 catastrophes 38 unimaginable proportions 38 catastrophy 38 Aral Sea 38 wetland ecosystems 38 IDP internally displaced 38 torrential storms 38 ISDR 38 driest continent 38 Ms. Pagonis 38 floods 38 Niuatoputapu 38 Chornobyl 38 ecological disasters 38 General Michel Jarraud 38 Funafuti 38 groundwater depletion 38 Zasyadko mine 38 epidemics 38 flashflood 38 tsunami crippled Fukushima 38 freshwater ecosystems 37 Reinsurers sell 37 floods droughts 37 river deltas 37 Zapadnaya mine 37 nesting habitats 37 shelterless 37 Okcular 37 Simeulue 37 grazing pastures 37 Prime Minister Feleti Sevele 37 ecological catastrophe 37 Myanmar Irrawaddy delta 37 collosal 37 Chornobyl disaster 37 devasted 37 Grand Comore 37 croplands 37 Goshi Hosono 37 Bryansk region