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@steven787:

Yeast doesn't have the capacity to organize augment it's production method for obtain food beyond the natural environment allows.


Exactly the same with humans, the difference is only that our techniques are more advanced. Expoentially increasing population against a limited resource base is still a problem even with the best technology.

From irrigation, to nitrogen-based fertalizers, genetics, hormones and mechanization, the food supply is ample to feed the whole human population; the problem is cost and transportation (within borders). Most hunger is caused by war.


The two perhaps most important items you listed (fertilizers and mechanization) are heavily dependent on energy which was my point.

If you go to http://www.wfp.org/country_brief/index_region.asp and look where the world food program work almost all of those are engaged in some type of long term conflict or are under the control of a corrupt or weak government.


That's true but it doesn't contradict my point.

Rising energy costs are a sign of more people using energy, which means more people have modern heating and lighting. India still has almost half a billion people with out electricity but it less than 10 years ago.


It's also a sign that energy is getting more expensive to harvest (especially fossil fuels) and that supply has a harder time keeping up with demand. Simple "law and demand" explain it, although there are other factors involved.

Don't confuse fossil fuels with fuel. Brasil has built its economy on biodiesel. Small remote villages are installing solar panels, The US and Canada depend on an almost unlimited source of coal and natural gas for electricity. The minute we have a viable portable unlimited fuel for transportation, the problem is solved. The world enters a new age of movement. Renewable resources are coming; profitability ensures this.


I don't confuse the two, in fact I believe our only chance is to significantly and quickly invest in renewables. Due to various articles I read I'm just not sure that this is happening well enough.

 



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