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About the Global Footprint Network
Our mission is to promote a sustainable economy by advancing the Ecological Footprint, a measurement tool that makes the reality of planetary limits relevant to decision-makers.

Limits to Growth, The 30 Year Update
30 years ago, a group of young scientists at MIT published a book that shocked the world. The Limits to Growth, lead-authored by Donella Meadows, Jorgen Randers and Dennis Meadows became a global bestseller that awoke us to the possibility that humanity could exceed earth's limits. Their research has now been revisited in Limits to Growth, The 30 Year Update.

With vivid examples and accessible language, the book makes the case that not only is "overshoot" possible, but that it is actually occurring. The original Limits to Growth was an inspiration to the development of the Ecological Footprint concept, which tracks and documents global overshoot, and we are pleased that the new book uses the Ecological Footprint extensively to explain its premise.
What is Overshoot? Today, humanity's Ecological Footprint is over 20% larger than what the planet can regenerate and we maintain this overdraft by liquidating our natural resources. The erosion of natural resources is a vastly underestimated threat and one that is difficult to address.
When Limits to Growth was first published 30 years ago, critics discounted the message and argued that the state of the world would progressively improve for all people. But today, the book's warning has not lost any relevance. Although there is reason for hope, there is also solid evidence that the challenges identified 30 years ago are becoming a reality. The 30-year update brings to the public domain a message of urgency: the Earth has a carrying capacity and we are over-extending its limits.
Related links:
Chelsea Green Publishing
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