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        Ancient Ice and Future Climate

        In this interactive produced by WGBH, graphs derived from evidence in ice core samples help to accurately define the relationship between carbon dioxide and temperature over the past 400,000 years. With this understanding, scientists can create better models to predict future climate change. In the interactive, discover how ice cores are collected and analyzed, learn about orbital variation and its effects on climate, and explore other key concepts such as the carbon cycle, the Earth system, and feedback loops, all of which factor into the explanation.

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