Renewable Matter # 06-07 / October-December

Earth Conundrum: +83 Million -15 Billion

by Gianfranco Bologna

In July 2015, the total number of the world’s human population reached 7.3 billion. According to the expected average growth variant projections by the UN – correct up until now – Earth’s human population will hit 9.7 billion by 2050, with an increment of 83 million people a year.

Even assuming a decline in fertility rates, global population will reach 8.5 billion by 2030, 9.7 billion by 2050 and 11.2 billion by 2100, compared to the average variant projections. And even if fertility decline should speed up, population growth until 2050 will be virtually inevitable.

But that has not always been the case. Actually, for very long periods of time, human population...

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