In 3-5 sentences, identify and analyze why investigations of past atmosphere composition and past climates could affect the use of fossil fuels today.

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Investigations of past atmosphere composition and past climates influence our understanding of the Earth's climate system and its sensitivity to changes. By studying such data, scientists can estimate the levels of greenhouse gases, temperature, and other climate variables in the past. This information is crucial for assessing the role of fossil fuels in climate change. It helps us gauge the potential impact of continuing to use fossil fuels on future climate scenarios, prompting us to reconsider and possibly transition to cleaner and more sustainable energy sources.

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