July Marks Hottest Month Ever On Planet Earth05:32
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This July 30, 2019, natural-color image made with the Operational Land Imager (OLI) on the Landsat 8 satellite shows meltwater ponding on the surface of the ice sheet in northwest Greenland near the sheet’s edge. (NASA via AP)
This July 30, 2019, natural-color image made with the Operational Land Imager (OLI) on the Landsat 8 satellite shows meltwater ponding on the surface of the ice sheet in northwest Greenland near the sheet’s edge. (NASA via AP)

New data from the European Copernicus Climate Change Service reveals what scientists have suspected: July 2019 was the hottest month ever recorded on earth. They measured close to 1.2 degrees above pre-industrial levels, brushing up against one of The Paris Agreement goals of preventing warming above 1.5 degrees Celsius. Here & Now's Robin Young talks with Michael Mann (@MichaelEMann), a professor of atmospheric science at Penn State University, about the significance of the findings.

This segment aired on August 6, 2019.

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