About 13.5 percent of the current world population is undernourished and millions go hungry each year, but the situation is going to get much worse. A new UN report shows the world’s population is projected to hit between 9.5 and 13.3 billion people by 2100. High fertility rates and the rising median age in each country are contributing factors, and beg the question few people seem willing to ask: how will we sustain our planet with that many people?
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