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planetary boundaries

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

January 30, 2015 by Roman Kilisek

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

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.

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

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]