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Originally Posted by xmas13
Cheap energy encourages waste, and the planet has very limited resources for a growing number of residents.
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We have enough sunshine for about 4 BILLION years.
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Soon we will be 9 billion.
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We're at 6.7 billion not projected to be 9 billion until 2028. You also realize outside of India and China which actually make up a small portion of land mass the rest of the world has apopualtion of 4.3 billion. Also the US is 3rd most in population at 300 million.