It's 1997. The United States Senate has called a hearing about global warming. Some expert witnesses point out that past periods in Earth's history were warmer than the 20th century. Because such variations existed long before humans, they claim the current trend is also the result of natural variation. Can you spot the problem with this argument? Elizabeth Cox explores the false analogy fallacy. [Directed by TOGETHER, narrated by Jack Cutmore-Scott, music by Massassauga].
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