• Earth is ‘perilously close’ to a global warming threshold. Here’s what to know

  • Mar 16 2025
  • Length: 6 mins
  • Podcast

Earth is ‘perilously close’ to a global warming threshold. Here’s what to know

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  • Summary

  • This past week, the EPA said it is reconsidering the scientific finding that greenhouse gases are a danger to public health. This comes as research shows average global temperatures in 2024 likely rose above a 1.5 degree Celsius threshold that for years has been a red line for climate change. Ali Rogin speaks with Michael Mann at the University of Pennsylvania to learn more. PBS News is supported by - https://www.pbs.org/newshour/about/funders
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