Understanding the climate record through objects

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Melissa Charenko’s new book shares the history of how 20th-century scientists used climate proxies’—such as tree rings and fossil pollen—to understand past climates, which has implications for future climate action.

Melissa Charenko’s new book shares the history of how 20th-century scientists used climate “proxies”—such as tree rings and fossil pollen—to understand past climates, which has implications for future climate action.

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