Geology (from the Ancient Greek γῆ, gē, i.e. "earth" and -λoγία, -logia, i.e. "study of, discourse") is an earth science concerned with the solid Earth, the rocks of which it is composed, and the processes by which they change over time. Geology can also refer to the study of the solid features of any terrestrial planet or natural satellite, (such as Mars or the Moon).
Andrew Herbert Knoll. Gaidos E, Knoll AH. Frontiers of Astrobiology. Cambridge: Cambridge University Press; 2012. Our evolving planet: From dark ages to evolutionary renaissance. pp. 132–153.
Josiah Gilbert Holland, in Rev. S. Pollock Linn Golden Gleams of Thought from the Words of Leading Orators, Divines, Philosophers, Statesmen and Poets, A.C. McClurg & Company, 1881, p. 280.
The transition to a low carbon economy by 2050 will involve irreversible step-changes in the cultural, economic and natural domains, with qualitatively different socio-economic configurations before and after. COMPLEX will develop new modelling tools for managing step-change dynamics by working across a wide range of spatio-temporal scales, and integrating the knowledge of many stakeholder communities, for example in respect of land-use change driven by carbon-related technologies.