It is much more nuanced today about these predictions. Countries like China and India, who were hopeless cases there was not so long ago, have phenomenal economic growth rate. Thanks to innovations in technology, food production has been able to follow the growth of the population…
Currently, the global agricultural problems are not due to scarcity but rather to the excess production capacity. These are the rich countries that, by subsidizing their agriculture, prevent poor countries to prosper and to export their products. Rising living standards have also led people to eat too much and have too much weight. Who would have thought, two centuries after Malthus, one of the main problems of the twenty-first century would be food obesity
Obviously, this is the current situation. Come sooner or later a time when resources are no longer sufficient. If we project the population in the long term, assuming continuation of current growth rates, we arrive at figures totally implausible (eg, one that the city of Montreal will be ten billion by the year 3000). But beware of these projections. The important thing is that the deadline is not tomorrow. People are able to adapt.
It has tended in the past to make alarmist predictions about the fate of humanity. In almost all cases, they were mistaken. There have been disasters, but most of the time, they are not what most people had expected. For example, the cataclysm that struck Africa today is AIDS, not lack of food.
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