Several studies report that we are currently using up "1.5 Earths", that is we are drawing 50% more of this planet's renewable resources. Such studies do not consider finite goods such as oil and mineral elements, but just food-related resources.
This means that Earth can't replenish what we - as a global population - draw from it.
Shouldn't epidemics and disasters occur, without human intervention the natural limit to the growth of animals and plants populations would be dictated by the available resources in and around local systems. Most developed countries can't rely on their domestic products for food demand, hence already outsourcing from distant shores.
Civilization and technology apparently spare the human race from the natural laws of equilibrium. Politics and ethics don't really mix. I'm not calculating, projecting or predicting how many generations it will take to see a major collapse. It will happen.
Should I shrug and enjoy the present?
Should I advocate conservation?
Actually both, to some extent, but not happily celebrating the seven-billionth human treading on Earth. In 1950, population was 2.5 billion. A scary almost-three-fold in 60 years.
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