Related by context. Frequent words. (Click for all words.) 54 frequent droughts 52 drylands 52 driest 50 floods droughts 49 Droughts 49 climate change 49 Murray Darling 49 prolonged drought 48 arid regions 48 freshwater 48 Murray Darling Basin 48 species extinctions 48 irrigated agriculture 48 swelters 48 locust plague 47 biodiversity hotspots 47 subtropical regions 47 heatwaves 47 irrigated crops 46 arid 46 parched 46 Great Dividing Range 46 hydrological cycle 46 arable land 46 drought parched 46 crop yields 45 droughts 45 Severe drought 45 oceans 45 global warming 45 catchments 44 glacial melt 44 temperate zones 44 semi arid 44 hotter summers 44 tropical rainforests 44 carbon sinks 44 gigalitres 44 droughts floods 44 greenhouse gas emitter 44 warming gases 44 salinity 44 freshwater ecosystems 44 river deltas 43 Desertification 43 coral bleaching 43 seismically active regions 43 planet 43 bumper harvests 43 carbon emitter 43 eucalypts 43 biodiversity 43 smoggiest 43 temperate regions 43 poorest 43 Parched 43 tropics 43 Professor Garnaut 43 desertification 43 drought 43 wettest 43 graziers 42 aridity 42 Large swathes 42 southern hemisphere 42 Global warming 42 Hydro Tasmania 42 Great Barrier Reef 42 biodiverse 42 earth 42 melting glaciers 42 Rainforests 42 subtropics 42 drought stricken 42 mountain glaciers 42 rapid urbanization 42 Prime Minister Kevin Rudd 42 Ocean acidification 42 northern hemisphere 42 La Nina weather 42 fertile soils 42 bushfires 41 ocean acidity 41 climate alarmists 41 soil erosion 41 underground aquifers 41 Northern Hemisphere 41 gigatonnes 41 catchment 41 anthropogenic climate 41 coral reef ecosystems 41 saturated soils 41 freshwater lakes 41 Southern Hemisphere 41 biologically diverse 41 cyclones 41 degrees celsius 41 Australia 41 largest emitter 41 Prof Garnaut 41 Coorong