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      planetary boundaries

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      Six Out of Nine Planetary Boundaries Already Crossed, Study Warns

      "This update on planetary boundaries clearly depicts a patient that is unwell," said one scientist.

      Julia Conley
      Sep 14, 2023

      Scientists behind a new study on the crossing of the Earth's "planetary boundaries" on Wednesday likened the planet to a sick patient, warning that six out of nine barriers that ensure the Earth is a "safe operating space for humanity" have now been breached.

      Researchers at the University of Copenhagen, the Potsdam Institute for Climate Impact Research (PIK), and other international institutions analyzed 2,000 studies to update a planetary boundary framework developed in 2009 by the Stockholm Resilience Center, completing the first "complete check-up of all nine processes and systems that determine the stability and resilience of the planet."

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      A man tries to cool off in New Delhi, India on May 23, 2023.

      Planet Earth Is 'Quite Sick': 7 of 8 Boundaries for Safe and Just World Already Breached, Study Says

      "Nothing less than a just global transformation... is required to ensure human well-being," researchers wrote.

      Kenny Stancil
      Jun 01, 2023

      If Earth were to get an annual health checkup akin to a person's physical exam, a doctor would say the planet is "really quite sick right now."

      That's how Joyeeta Gupta, professor of environment and development at the University of Amsterdam, put it at a Wednesday press conference accompanying the publication of new research in the peer-reviewed journal Nature. Co-authored by Gupta and 50 other scientists from around the world, it warns that nearly every threshold for a "safe and just" planet has already been breached and pleads for swift action to protect "the global commons for all people now and into the future."

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