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Hi, it's Greg Dalton. I'd like to hear your comments on the show, topics we should cover and guest

suggestions. You can reach me at Greg at

climate one.org. This is Climate One. I'm Greg Dalton. Scientists have been studying the

climate for 170 years through different frames. Up until really Second World War, when people

did look at global warming and did look at the role that carbon dioxide

could play, they generally thought it would be a good thing. Over time, scientists and the public

began to recognize the risks of too much CO2. I sometimes talk about the history of climate science,

being less about a eureka moment and more about a series of oh no moments. And that oh no gets kind of

deeper and more distressing as the late 20th century goes on. Our understanding of atmospheric

and climate sciences has evolved over the last century and a half, thanks to the work of many

different people. Today we explore some of that history with Alice Bell, a climate

campaigner based in London, an author of the book Our Biggest Experiment, an epic

history of the climate crisis. She opens with the story of Eunice Newton Foote,

who conducted an experiment on her windowsill 160 years ago. She compared the

density and temperature of atmospheric gases

and two glass cylinders. One was filled with common air, the other with carbon dioxide.

She discovered that CO2 grew hotter and took longer to cool down. Bell talked with Climate

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