New Paper Challenges Metrics of Ecological Overshoot

Ecological Footprint Found to Be "Misleading"

Is humanity really using 1.5 Earths? That is the central finding of the Ecological Footprint (EF), a widely cited global sustainability indicator used by the United Nations and major NGOs around the world to estimate the impact of human activity on the biosphere. But a paper published today in PLoS Biology finds the method behind the Ecological Footprint "so misleading as to preclude its use in any serious scientific or policy context."

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Planetary Boundaries: A Review of the Evidence

The planetary boundaries hypothesis - embraced by United Nations bodies and leading nongovernmental organizations like Oxfam and WWF - has serious scientific flaws and is a misleading guide to global environmental management, according to a new report by the Breakthrough Institute. The hypothesis, which will be debated this month at the UN Earth Summit in Brazil, posits that there are nine global biophysical limits to human development. But after an extensive literature review and informal peer review by leading experts, the Breakthrough Institute has found the concept of "planetary boundaries" to be a poor basis for policy and for understanding local and global environmental challenges.

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