. . "United Nations Environment Programme." . . "Programa de las Naciones Unidas para el Medio Ambiente." . . "Reducción de la capa de ozono Aspectos ambientales." . . "Radiación solar." . . "Evaluación de riesgos contra la salud." . . "Radiación ultravioleta." . . "Cambios climáticos." . . "Medio ambiente Evaluación del riesgo." . . "Nazioni Unite. Environment programme." . . . . . . . . . . . . . . . . . . . . . . "Environmental effects Assessment Panel Report for 2006"@en . "Environmental effects of ozone depletion and the interaction with climate change"@en . . "Environmental effects Assessment Panel Report for 2006" . . "Montreal protocol on substances that deplete the ozone layer" . . . "Environmental effects of ozone depletion and its interactions with climate change : 2006 assessment"@en . . "Environmental effects of ozone depletion and its interactions with climate change : 2006 assessment" . . "Montreal Protocol on Substances that Deplete the Ozone Layer"@en . . .