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Knowable

The Knowable Magazine podcast from Annual Reviews explores the limits to what’s knowable — and how thinking about big questions in science and technology evolves over time.

Scientists warned about climate change in 1965. Nothing was done.

May 30, 2023

A key report to President Lyndon B. Johnson in 1965 warned that humankind was “unwittingly conducting a vast geophysical experiment” through the burning of fossil fuels and a consequent buildup of “the invisible pollutant” — carbon dioxide — in the atmosphere. Here’s the story of what happened next to that...