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Column: The future of food looks pretty fishy

Global food demand is on the verge of rising rapidly. One driver of demand, of course, is the continued expansion of the population. As noted by the UN Population Division, the world’s population will exceed 11.2 billion by the year 2100, meaningfully above the current estimate of 7.4 billion. This means that between now and the end of the century, we will, on average, add 125,000 people to the planet’s population every day. More mouths, more food.

READ MORE: Column: The shocking amount of leftover turkey that ends up in landfills

And what people are putting into their mouths is changing. As incomes have risen and the global middle class has grown, demand for animal protein is rising. But as food writer Michael Pollan notes, “You are what you eat eats.” Before you can consume your steak, the cow itself had to eat. As did the pig that provided your bacon… and the chicken, your drumstick. In fact, it’s estimated that livestock themselves eat a third or more of the world’s food. Richer planet, more calories

Read the full post at PBS.org.