TS=("accessible toilet" OR "accessible water" OR ("advanced oxidation process" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("aerobic granulation" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("aerobic treatment system" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "affordable drinking water" OR ("agricultural pollution" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "agricultural wastewater treatment" OR ("air sparging" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("algal bloom" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("aquatic ecosystem" AND ("sustainable" OR "sustainability")) OR "aquatic toxicology" OR ("aquifer" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("aquifer storage and recovery" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "arsenic contamination of groundwater" OR "artesian aquifer" OR "atmospheric water generator" OR "automatic self-clean toilet seat" OR "backswamp" OR "bacteriological water analysis" OR ("bank filtration" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("barcelona convention" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "bas saharan basin" OR "basic sanitation" OR ("belt philtre" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("biofilter" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "biosand philtre" OR ("bodies of water" AND "quality") OR "bog pond" OR ("boiler feedwater treatment" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("bosque" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("bottled water" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "bucket toilet" OR "buffer strip" OR ("cadmium poisoning" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "canned water" OR ("capacitive deionization" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("capillary fringe" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "catchwater" OR ("ceramic water philtre" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "cesspit" OR "chemical addition wastewater treatment" OR ("chemical fouling inhibitor" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("chemical phosphorus removal" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("chemical toilet" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("chloramination" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("clarifying agent" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "clean water" OR ("coliform bacteria" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("coliform index" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("coloured dissolved organic matter" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "combined sewer" OR "composting toilet" OR ("concentrated solar still" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "container-based sanitation" OR "contaminated groundwater" OR "contaminated water" OR ("copper zinc water filtration" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("cross-flow filtration" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("crude oil washing" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "cyanide fishing" OR "dealkalization of water" OR ("decanter centrifuge" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "decentralised wastewater system" OR ("defluoridation" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "desalinating" OR ("desalination" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water" OR "treatment" OR "water")) OR "desert riparian" OR "detention basin" OR "dew pond" OR "dignified mobile toilet" OR ("distilled water" AND ("sustainable" OR "sustainability")) OR "domestic sewage" OR ("domestic wastewater" AND "treatment") OR "drinkable water" OR "drinking fountain" OR ("drinking water" AND ("affordable" OR "safe" OR "sustainable" OR "sustainability")) OR "drinking water quality standard" OR ("drought" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "drought refuge" OR "dry toilet" OR ("ductile iron pipe" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "dune water" OR ("duplex strainer" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("dye wastewater" AND "treatment") OR ("electrodeionization" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "electrodialysis" OR "environmental effects of laundry wastewater" OR "environmental impact of pharmaceuticals and personal care products" OR ("erosion control" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("euxinia" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("faecal coliform" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "faecal sludge management" OR ("flocculation" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("flood-meadow" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("floodplain" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("fluvial terrace" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "flying toilet" OR "fog collection" OR "fog collector" OR ("forward osmosis" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "fresh groundwater" OR ("fresh water" AND ("sustainable" OR "sustainability")) OR ("freshwater" AND ("sustainable" OR "sustainability")) OR "freshwater acidification" OR ("freshwater ecosystem" AND ("pollution" OR "dumping" OR "chemicals" OR "sustainable" OR "sustainability")) OR "freshwater management" OR "freshwater resources" OR "freshwater scarcity" OR ("gallery forest" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "greenpeace arctic sunrise ship case" OR "greywater" OR "groundwater discharge" OR ("groundwater flow" AND ("pollution" OR "dumping" OR "chemicals" OR "sustainable" OR "sustainability")) OR "groundwater management" OR "groundwater pollution" OR ("groundwater quality" AND ("pollution" OR "dumping" OR "chemicals")) OR "groundwater remediation" OR ("groundwater resource" AND ("cooperation" OR "management")) OR "h2no" OR "hand pump" OR "harmful algal bloom" OR ("heat wave" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "high water mark" OR "hippo water roller" OR ("hot tub philtre" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("human waste" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("humid oxidation with peroxide" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "hydraulic agriculture" OR ("hydric soil" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "hydrological transport model" OR "ice pigging" OR ("improved sanitation" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "improving water" OR "inadequate water" OR ("industrial wastewater" AND "treatment") OR "integrated urban water management" OR "interbasin transfer" OR "international water management institute" OR ("kern river preserve" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("lakes" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("land reclamation" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "latrine" OR ("lava philtre" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("lime softening" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("limnology" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "marine pollution" OR "megadrought" OR ("membrane bioreactor" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "mercury pollution in the ocean" OR ("microplastics" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "multi-stage flash distillation" OR "multiple-effect distillation" OR "multiple-effect humidification" OR ("nanofiltration" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "non-revenue water" OR ("nut shell philtre" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("oil spill" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "oily wastewater" OR ("open defecation" AND "hygiene") OR "outhouse" OR ("oxygenated treatment" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "palmer drought index" OR "pay toilet" OR ("perforene" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("permeable reactive barrier" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("pesticide drift" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("petrol interceptor" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("philtre funnel" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "pit water" OR ("plastic resin pellet pollution" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "polluted water" OR "portable toilet" OR ("potable water" AND ("affordable" OR "safe")) OR "public toilet" OR "public water system" OR "purified water" OR "rainwater harvesting" OR "rainwater hog" OR ("ranney collector" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("rapid sand philtre" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "real wastewater" OR "recirculating aquaculture system" OR ("reuse bottle" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("reverse osmosis" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("rhizofiltration" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "river ecosystems" OR ("river engineering" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("river source" AND ("sustainable" OR "sustainability")) OR "rooftop water tower" OR ("rotating biological contactor" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("rotating cell biofilm reactor" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("roughing philtre" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "safe household water storage" OR "safe water" OR ("salinity" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "salt tide" OR "salt water chlorination" OR "saltwater intrusion" OR ("sand philtre" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "sanitary sewer" OR ("sanitation" AND ("adequate" OR "equitable" OR "sustainable")) OR ("sanitation management" AND ("sustainable" OR "sustainability" OR "participation")) OR "selenium pollution" OR ("sequencing batch reactor" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("sewage" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water" OR "treatment")) OR "sewage regulation and administration" OR "sewage sludge treatment" OR "sewage treatment" OR ("sewerage" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("slug test" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("sodicity" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("solar humidification" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "solar water disinfection" OR "sono arsenic philtre" OR ("sphaerotilus natans" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "stormwater management" OR ("stream restoration" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "summer storage tank" OR "surficial aquifer" OR "sustainable sanitation" OR ("tap water" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "treadle pump" OR ("tsd desalination" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "united nations water conference" OR ("urban runoff" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "urban wastewater" OR "urinal" OR "waste pond" OR "wastewater" OR ("wastewater effluent" AND "treatment") OR ("wastewater treatment" AND "cooperation") OR "water access" OR "water allocation" OR "water and sanitation" OR "water availability" OR ("water bodies" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water" OR "treatment")) OR ("water chlorination" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "water conflict" OR "water cooperation" OR "water crib" OR "water crisis" OR "water cycle management" OR "water deficiency" OR "water deficit" OR ("water ecosystem" AND ("affordable" OR "safe" OR "sustainable" OR "sustainability" OR "pollution" OR "dumping" OR "chemicals")) OR ("water efficiency" AND "cooperation") OR "water footprint" OR "water governance" OR ("water harvesting" AND "cooperation") OR ("water industry" AND ("affordable" OR "safe" OR "sustainable" OR "sustainability" OR "pollution" OR "dumping" OR "chemicals")) OR "water insecurity" OR "water kiosk" OR "water limitation" OR ("water management" AND ("sustainable" OR "sustainability" OR "participation")) OR "water metering" OR ("water planning" AND ("sustainable" OR "sustainability" OR "participation")) OR ("water policy" AND ("sustainable" OR "sustainability" OR "participation")) OR "water pollution" OR "water pricing" OR "water privatisation" OR "water problems" OR "water provision" OR "water purification" OR ("water pyramid" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("water quality" AND ("pollution" OR "dumping" OR "chemicals" OR "sustainable" OR "sustainability")) OR "water quality law" OR ("water resource" AND ("cooperation" OR "management")) OR ("water resources" AND ("cooperation" OR "management" OR "pollution" OR "dumping" OR "chemicals" OR "sustainable" OR "sustainability")) OR "water resources law" OR "water restriction" OR "water sampling station" OR "water saving" OR "water scarcity" OR "water security" OR "water service contract" OR "water shortage" OR "water stagnation" OR "water stress" OR "water supply" OR "water sustainability" OR ("water testing" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR ("water transportation" AND ("sustainable" OR "sustainability")) OR ("water treatment" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")) OR "waterborne disease" OR "waterborne disease and outbreak reporting system" OR "watershed management" OR ("well drainage" AND ("drinking water" OR "freshwater" OR "wastewater treatment" OR "water management" OR "water quality" OR "accessible water" OR "clean water")))
