Related by context. Frequent words. (Click for all words.) 62 Reverse osmosis 62 Coal gasification 60 Drip irrigation 58 Carbon sequestration 58 desalinization plants 58 desalinization 57 environmentally beneficial 57 seawater desalination 56 desalination 55 CO2 sequestration 55 reverse osmosis RO 55 biofuel feedstock 55 arid climates 55 Genetic modification 55 desalting 55 Rainwater harvesting 55 reverse osmosis membranes 54 phytoremediation 54 Kuan Yin Taiwan 54 recharge groundwater 53 Desalination 53 desalinate 53 Bioethanol 53 Lignin 52 inorganic fertilizers 52 feedstock 52 Supercritical 52 IWRM 52 Algal 52 desal 52 biodiesel feedstock 52 soil salinity 52 membrane filtration 52 groundwater aquifers 52 nitrification 52 irrigated lands 52 pollution abatement 52 algae biofuels 51 potable 51 evaporation ponds 51 Switchgrass 51 Methyl bromide 51 desalinated water 51 biomass 51 acidic soils 51 nutrient loading 51 hydrated lime 51 groundwater recharge 51 SWRO 51 aquifer recharge 51 microbial fermentation 51 Evaporation 51 biomass feedstock 51 fluorides 51 desalinated 51 ozonation 51 Cellulosic 51 Potable water 50 biomass feedstocks 50 cellulosic feedstock 50 ultrapure water 50 VRB ESS 50 Thorium 50 cellulose ethanol 50 nanofiltration 50 artificial photosynthesis 50 harvesting rainwater 50 NEWater 50 nitrogen fixing 50 Floridan Aquifer 50 algae biomass 50 groundwater withdrawals 50 wastewater effluent 50 arid regions 50 desalination plants 50 biofuel feedstocks 50 bioenergy crops 50 salination 50 hemicellulose 50 Butanol 49 Concentrated Solar Power 49 hydrologic cycle 49 desalinization plant 49 reverse osmosis 49 Biodiesel Production 49 plasma gasification 49 wellfields 49 Gasification 49 fluorocarbons 49 UV disinfection 49 Feedstock 49 waterpower 49 polymerisation 49 Cyanobacteria 49 Ethanol Production 49 Soda ash 49 cellulosic feedstocks 49 Integrated Gasification Combined Cycle 49 atmospheric nitrogen 49 Concentrating Solar Power 49 Aquifers