Related by context. Frequent words. (Click for all words.) 78 desalination plants 76 desalination plant 63 reverse osmosis 58 wastewater treatment 56 wastewater 55 solar thermal 55 sewage treatment 53 renewable energy 51 potable water 50 seawater 50 renewables 49 potable 49 Wastewater 49 coal gasification 49 geothermal 48 hydropower 48 Water Treatment 48 water 48 gasification 48 sewage 48 cogeneration 48 sewerage 47 LNG 47 photovoltaic 47 renewable energies 46 filtration 46 carbon capture 46 water purification 46 effluent 46 aquaculture 45 solar photovoltaic 45 anaerobic digestion 45 rainwater harvesting 45 steam turbines 45 irrigation 45 MWH 45 brackish water 45 thermoelectric 45 groundwater 45 waste disposal 45 aquifers 44 Sewage 44 hydroelectric 44 solar PV 44 fossil fuel 44 IGCC 44 steam generators 44 Ormat 44 aquifer 44 Liquefied Natural Gas 44 solar 43 photovoltaics 43 Renewable energy 43 cooling towers 43 Water Treatment Plant 43 photovoltaic PV 43 Geothermal 43 biomass 43 dewatering 43 hydro electric 43 Water Supply 43 drip irrigation 42 hydrogen fuel 42 Renewables 42 salinity 42 #MW [002] 42 biogas 42 Water 42 hydro 42 Masdar 42 Solar Power 42 fluoridation 42 reactors 42 alternative energies 41 carbon sequestration 41 dredging 41 photovoltaic solar 41 aluminum smelter 41 renewable 41 MLD 41 freshwater 41 #MW [003] 41 liquefied natural gas 41 chlorination 41 coal fired 41 Dredging 40 CPV 40 Hydropower 40 hydrogen 40 megawatt solar 40 biofuels 40 stormwater 40 Wastewater Treatment Plant 40 electricity 40 megawatts 40 reclamation 40 hydroelectricity 40 #MW [004] 40 PPPs 40 fossil fuels 40 feedstock