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Exploring Historical Climate Data and Greenhouse Gases
This chapter delves into historical temperature trends, uncertainties in measurements, and notable climate changes in Earth's past, including the Cretaceous period. It discusses the accelerated rate of modern climate change compared to historical shifts, utilizing paleoclimate studies and isotope ratios to estimate past water temperatures. The narrative also explores the role of greenhouse gases, clarifying their natural presence and impact on trapping heat, with a focus on key gases like water vapor, carbon dioxide, and methane.