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Joseph Fourier calculates that the Earth would be far colder if it lacked an atmosphere.
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Tyndall discovers that some gases block infrared radiation. He suggests that changes in the concentration of the gases could bring climate change.
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Arrhenius publishes first calculation of global warming from human emissions of CO2.
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Callendar argues that CO2 greenhouse global warming is underway, reviving interest in the question. =>CO2 greenhouse
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Telescope studies show a greenhouse effect raises temperature of the atmosphere of Venus far above the boiling point of water.
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Ice cores and other evidence show big climate shifts in the past between relatively stable modes in the space of a thousand years or so, especially around 11,000 years ago.
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Criticism that satellite measurements show no warming are dismissed by National Academy Panel.
