One of the easiest ways to get 2100 wrong is to carry the 20th-century population curve forward as if it still defines the future. The world went from about 2.5 billion people in 1950 to more than 8 billion today, and that expansion shaped modern assumptions about food, energy, cities, ... [continued] The post 2100 Transition Scenarios Need A Better Population Denominator appeared first on CleanTechnica .

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