Related by context. Frequent words. (Click for all words.) 61 desalinization 59 desalination 56 desalinated water 54 desalination plants 53 seawater desalination 49 reverse osmosis 48 geo thermal 47 desalination plant 47 desal 46 greywater 46 seawater 46 desal plant 46 electricity 46 seawater desalination plant 46 molten salt 46 biomass gasification 46 treated effluent 45 renewable energy 45 Desalination 45 geothermal 45 water 45 fossil fuels 45 sewage treatment 44 environmentally benign 44 nonpolluting 44 fossil fuel 44 OTEC 44 potable water 43 microturbines 43 anaerobic digesters 43 microturbine 43 composting toilets 43 wastewater 43 electrolyzer 43 hydrocarbon fuels 43 biomass 43 wastewater treatment 43 plasma gasification 42 gasification 42 hydrokinetic 42 photovoltaic solar panels 42 solar thermal 42 geothermal biomass 42 hydrogen 42 Integrated Gasification Combined Cycle 42 groundwater recharge 42 renewables 42 hydroelectricity 42 gigawatts 41 irrigate 41 kilowatt 41 renewable 41 Solar panels 41 cleaner fuels 41 coal liquefaction 41 potable 41 solar panels 41 micro hydro 41 sewage 41 evaporative cooling 41 rooftop solar panels 41 solar powered 41 alternative energies 41 aerators 41 dissolved solids 40 flush toilets 40 purify 40 underground aquifers 40 photo voltaic 40 solar photovoltaic panels 40 turbines 40 kilowatts 40 PEM fuel 40 irrigate crops 40 composting toilet 40 Fossil fuels 40 supercooled 40 m3 d 40 parabolic trough 40 hydrogen fuel 40 algae 40 digesters 40 effluent 40 energy 39 kilowatt hours 39 sulfur fuels 39 electrolysis 39 megawatts 39 aquifers 39 solar concentrator 39 thermoelectric 39 groundwater basin 39 integrated gasification 39 carbon sequestration 39 membrane filtration 39 hydropower 39 electricty 39 water purifier 39 microgrid 39 polluting fossil fuels 38 sequester carbon