"Page 2" - Earth's Carrying Capacity

For those who might be interested...


One Planet, How Many People?  A Review of Earth's Carrying Capacity
(UNEP Global Environmental Alert Service; June 8, 2012)
https://na.unep.net/geas/archive/pdfs/geas_jun_12_carrying_capacity.pdf


Human Impact on the Environment Formula (EHRLICH and HOLDREN, 1971):


I = PAT

where,

I = Human Impact
P = Population
A = Affluence
T = Technology


Original Publication:


Impact of Population Growth
(EHRLICH and HOLDREN, 1971)
http://www.agro.uba.ar/users/fernande/EhrlichHoldren1971impactPopulation.pdf

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