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planetary boundaries

New Study: Breaches of 'Planetary Boundaries' Jeopardize Environmental Sustainability

January 30, 2015 by Roman Kilisek
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Earth Sustainability Limits

Four of nine ‘planetary boundaries’ have now been breached as a result of human activity and not natural variability, says a new research paper published in the journal Science entitled “Planetary boundaries: Guiding human development on a changing planet”.[read more]

The Limits of Planetary Boundaries 2.0

January 20, 2015 by Barry Brook
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Measuring Boundaries

In 2013 I led research that critiqued the ‘Planetary Boundaries‘ concept. Worrying about global tipping points distracts from real planetary threats. Recently a paper appeared titled “Planetary boundaries: Guiding human development on a changing planet," which attempts to refine and clarify the concept.[read more]

Planetary Boundaries as Political Power Grab

April 7, 2013 by Roger Pielke, Jr.
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For the proponents of planetary boundaries as political authority, issues of legitimacy and accountability are easily dealt with through the incontestable authority of science.[read more]

Simplifying the Planetary Boundaries

November 2, 2012 by David Hone
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The nine planetary boundaries developed by the Stockholm Resilience Centre have become a useful metric, but the complexity of the subject has been a challenge. A further challenge to simplify the structure has been posed back to The Centre. They have taken up this challenge and revisited the approach, reducing it to three critical metrics.[read more]