Brown, P. T., Y. Ming, W. Li, S. A. Hill (2017) Change in the magnitude and mechanisms of global temperature variability with warming. (ecoshock.org)
«Climate variability — past and future: Researchers compare global temperature variability in glacial and interglacial periods.» (sciencedaily.com)
[A] ll the constituents of natural forcings together seem to make contributions equal to the greenhouse gases in the context of recent global temperature variability (notrickszone.com)