What are the implications of a world population of only 2 billion?

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A sustainable world population of 2 billion is proposed to ensure adequate food, renewable energy, and freshwater resources, with an estimated requirement of approximately 1.2 million liters of water per person annually for agricultural, industrial, and public needs. Effective management and protection of water resources are crucial, emphasizing the need to stop groundwater overdraft and utilize sustainable practices. Current ecosystem services have seen limited enhancement, with fisheries and freshwater resources already exceeding sustainable levels. The discussion hints at the implications of overpopulation and suggests that reducing birth rates in developing countries could be a potential solution. The conversation also touches on investments in water technology as a response to these challenges.
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http://dieoff.org/page174.htm

A world population of 2 billion, in addition to having adequate food, renewable energy, and forest products, should also have adequate freshwater resources (Postel, 1997). For agricultural and industrial production as well as public needs, we suggest approximately 1.2 million liters per person each year. Water resources, as with soil, would have to be conserved and pollution controlled. Humans would need to cease the overdraft of ground-water resources, instead, using ground-water in a more sustainable manner. Again, technologies are currently available for the effective management and protection of water resources (Postel,

So who is going to leave?
 
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http://news.bbc.co.uk/1/hi/sci/tech/4391835.stm

The report says only four ecosystem services have been enhanced in the last 50 years: increases in crop, livestock and aquaculture production, and increased carbon sequestration for global climate regulation (which has come from new forests planted in the Northern Hemisphere).

Two services - fisheries and fresh water - are said now to be well beyond levels that can sustain current, much less future, demands.
 
*raises hand* I guess it's "no kids" for me. I can leave behind a better legacy, I think.
 
wolram said:
Two services - fisheries and fresh water - are said now to be well beyond levels that can sustain current, much less future, demands.

Which is why I've bought stock in water technology companies!
 
wolram said:
So who is going to leave?
I have a few suggestions... :devil:
 
Eugenics probably will not turn out that good. Russian Roulette? It is either that or making developed countries out of the developing world to reduce birth rate.
 
Where did you even get the world's population is 2 billions. China's population is 2 billions
 
ThienAn said:
Where did you even get the world's population is 2 billions. China's population is 2 billions
No, he's saying that ideally a world population of 2 billion would be highly sustainable.
 

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