paleoclimatology
noun
pa·leo·cli·ma·tol·o·gy ˌpā-lē-ō-ˌklī-mə-ˈtä-lə-jē 
especially British ˌpa-
: a science dealing with the climate of past ages
paleoclimatologist
ˌpā-lē-ō-ˌklī-mə-ˈtä-lə-jist
noun especially British ˌpa-
Example Sentences
Recent Examples on the Web Tierney’s field of specialization is paleoclimatology, which involves the study of what Earth's past climate was like and why. 
Michael T. Nietzel, Forbes, 21 Apr. 2022 Structurally, Ostenfeld ostensibly builds his film around the exploits of three climate change scientists: glaciologists Jason Box and Alun Hubbard, and paleoclimatology professor Dorthe Dahl-Jensen. Guy Lodge, Variety, 23 Mar. 2022 In this effort, dendrochronologists’ work is part of a larger, relatively new field called paleoclimatology, or the study of ancient climate. Stephanie Hanes, The Christian Science Monitor, 17 Nov. 2021 Climate science has from its very beginnings been a wonderfully multidisciplinary endeavor, encompassing biology, chemistry, history, paleoclimatology and, yes, physics. Gavin Schmidt, Scientific American, 12 Oct. 2021
Michael T. Nietzel, Forbes, 21 Apr. 2022 Structurally, Ostenfeld ostensibly builds his film around the exploits of three climate change scientists: glaciologists Jason Box and Alun Hubbard, and paleoclimatology professor Dorthe Dahl-Jensen. Guy Lodge, Variety, 23 Mar. 2022 In this effort, dendrochronologists’ work is part of a larger, relatively new field called paleoclimatology, or the study of ancient climate. Stephanie Hanes, The Christian Science Monitor, 17 Nov. 2021 Climate science has from its very beginnings been a wonderfully multidisciplinary endeavor, encompassing biology, chemistry, history, paleoclimatology and, yes, physics. Gavin Schmidt, Scientific American, 12 Oct. 2021 Word History
Etymology
paleo- + climatology
First Known Use
circa 1909, in the meaning defined above