As temperatures warm, CO2 levels hit a new record

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CO2 on a chalkboard. Photo credit: Gerd Altmann/CC 2.0, via Pixabay

The Arctic and northern Russia recently hit 84 degrees. It’s usually around 54 degrees there this time of year. In Hawaii, scientists measured the highest levels of carbon dioxide ever recorded in human history -- and probably the last three million years. We talk with the scientist whose dad invented the modern CO2 measuring system.

Credits

Guest:
Ralph Keeling - professor at Scripps Institution of Oceanography

Host:
Madeleine Brand

Producers:
Sarah Sweeney, Michell Eloy, Amy Ta, Yael Even Or, Alexandra Sif Tryggvadottir, Adriana Cargill, Nihar Patel