What is this? the moment when the human species has exhausted the material resources available for the current year and begins to consume those who should support the next generation.
This according to the calculations of the Global Footprint Network, an association of research each year calculates humanity's Ecological Footprint (ie, need of fields, pastures, forests, fishing areas and space for infrastructure) and compares biocapacity with global (or just above the capacity of ecosystems to generate resources and absorb wastes).
The Ecological Footprint can be used to determine the exact date on which the global community began to live beyond means that the planet produces every year.
Until the industrial revolution, the impact has remained largely invisible, since the beginning of the nineteenth century has been more consistent, but only in recent decades has begun the dramatic growth that is continuing. In 1987 the
Overshoot Day was December 19, then the economic and demographic development have done so earlier from year to year until you get to 23settembre in 2008, this year falling on September 25 we have gained two days, there might seem has been a slight improvement is actually due to the effect of the economic crisis is not a real change in our habits.
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