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Human population growth and YOUR wellbeing...

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 Posted 6/1/2013 11:52:47 PM
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The earth's population was less than 4 billion when I was born...  Just crossed 7 billion and may have doubled before I fall off the twig.  

Scientists say our sun (and earth) should last another 4 billion years.  

I'm not too good at math so perhaps someone can help me out here...

If the earth's population doubles every 100 years, how many people will be here a billion years from now?  How 'bout 2 or 3 billion years from now?  

Not a problem?  Really?
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 Posted 6/2/2013 4:20:19 AM
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Synesthesia:  I don't think the current level of population is a problem--see Simon's book, The Ultimate Resource 2.  However, the population will eventually level off and stabilize, so again, I'm not worried about it.  But:  the Sun will go supernova in approx. 5 billion years and the planet will be destroyed.  Human beings (or our descendants, whatever that species will be) will have to figure out what to do.  I doubt that interstellar space travel is possible, but some sort of self-sustaining colony on an artificial satellite way further out might work.
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 Posted 6/2/2013 5:37:01 AM
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Transpower (6/2/2013)
Synesthesia:  I don't think the current level of population is a problem--see Simon's book, The Ultimate Resource 2.  However, the population will eventually level off and stabilize, so again, I'm not worried about it.  But:  the Sun will go supernova in approx. 5 billion years and the planet will be destroyed.  Human beings (or our descendants, whatever that species will be) will have to figure out what to do.  I doubt that interstellar space travel is possible, but some sort of self-sustaining colony on an artificial satellite way further out might work.


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The Earth`s population has tripled since I was born a not very long 64 years ago. You can go here to review this population growth and future projections by people who do know about these things:

    try here:   http://www.npg.org/facts/world_pop_year.htm  
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 Posted 6/2/2013 11:59:09 AM
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Trans is nonchalant because he realizes he'll be dead before any of these serious issues affect him. Trans be careful calling others pessimistic when the 'Piers Van der Meer'-ish doomsday theories you subscribe to are just that.  For those interested, theories exist dispelling the sun to supernova myth.

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 Posted 6/2/2013 1:11:48 PM
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Tom:  Those who think that the Sun will not go supernova believe that the mass of the Sun is relatively stable.  I do not--I think that the Sun will gain mass and move up the Main Sequence--and hence explode in 5 billion years.  But you and I won't be around to see if this prediction is true....so it's really an abstract scientific question more or less for our amusement.
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 Posted 6/2/2013 10:07:58 PM
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Transpower (5/30/2013)
Tom:  I think you're too pessimistic.


Seek the roses along the way. Just beware of the thorns. ~ Taylor et al.

-Tom.


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 Posted 6/5/2013 11:05:53 AM
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Post #9131
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 Posted 6/6/2013 3:20:52 PM
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From the link above ^ I found this excerpt poignant and apropos:

"To make matters worse, the impacts of deep-sea trash may last for years. Near-freezing water, lack of sunlight, and low oxygen concentrations discourage the growth of bacteria and other organisms that can break down debris. Under these conditions, a plastic bag or soda can might persist for decades".


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 Posted 6/7/2013 3:36:05 AM
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Nature is cyclic, so even if it takes decades, the trash will eventually be broken down.  Still, ocean dumping should be banned, just like river dumping.  Incineration of all trash to energy is the obvious solution.

By the way, even though I think the solar system, and the galaxy itself, will explode, I do not believe in the conventional view that the universe is on a one-way path to a heat-death.  As I said above, nature is cyclic and so there can be no physical end to it.
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 Posted 6/7/2013 6:22:11 PM
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Transpower (6/7/2013)
Incineration of all trash to energy is the obvious solution.


Why isn't USA doing this for all trash? We bury trash because there is land to bury it. Even though the pollutants leach into our ground and waterways. It will only stop until we run out of places to bury it.  If people are not taking the time to separate recyclables from their garbage they're being irresponsible and part of the problem.


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Post #9164
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