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The Climate Has Always Changed: Does That Disprove Human-Caused Warming? (Parent Q&A)

This guide explains why natural climate change in the past does not disprove human-caused warming today. It describes how scientists distinguish causes using physical evidence, atmospheric measurements, climate fingerprints, observations and models. It also clarifies natural variability, uncertainty and the lesson’s central conclusion about recent long-term global warming.

The Climate Has Always Changed: Does That Disprove Human-Caused Warming?

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