A related term, "climatic change", was proposed by the World Meteorological Organization (WMO) in 1966 to encompass all forms of climatic variability on time-scales longer than 10 years, but regardless of cause.
În 1966, Organizația Mondială a Meteorologiei (WMO) a propus termenul "schimbări climatice" pentru a cuprinde toate formele de variabilitate climatică la scări de timp mai mari de 10 ani, indiferent de cauză.