U
Universities and colleges -- Environmental aspects -- Catalonia  [1]
Urbanisme -- Projectes  [1]
V
Vessaments de petroli -- Aspectes ambientals -- Catalunya  [1]
Vinicultura -- Catalunya -- Alt Empordà -- Aspectes ambientals  [1]
Viticultura -- Catalunya -- Alt Empordà -- Aspectes ambientals  [1]
Viticulture -- Catalonia -- Alt Empordà -- Environmental aspects  [1]
Volatile organic compounds -- Absorption and adsorption  [2]
W
Water -- Analysis  [2]
Water -- Analysis -- Catalonia -- Font de Can Verdaguer (St. Gregori, Gironès)  [1]
Water -- Composition  [1]
Water -- Fluoridation  [1]
Water -- Pollution  [1]
Water conservation -- Catalonia -- Girona  [1]
Water consumption -- Catalonia -- Costa Brava  [1]
Water consumption -- Psychological aspects  [1]
Water resources development -- Catalonia -- Barcelona  [1]
Water resources development -- Catalonia -- Costa Brava  [1]
Water salinization  [1]
Water treatment plants  [1]
Western Mediterranean  [1]
Wildcat -- Catalonia -- Osona  [1]
Wind power plants -- Andalusia -- Tarifa  [1]
Wind turbines -- Environmental aspects -- Andalusia -- Tarifa  [1]
Wine and wine making -- Catalonia -- Alt Empordà -- Environmental aspects  [1]