How Many Humans?

Since 1800 the world’s human population has increased seven fold, from one billion then to seven billion today. Given current energy consumption patterns and the rise in fossil fuel consumption from “modernizing” countries like China and India, life as we know it will not be sustainable. Some experts say that the world can sustain a human population of no more than 2 or 3 billion, given present patterns of consumption.  Education of women and birth control are seen as key to bringing the population into sustainable levels.  What are your thoughts–how can we achieve a sustainable population?

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