The world's population is projected to hit 11 billion by 2100, and exactly how the planet will feed this growing population is one of the biggest questions society faces in the coming years.
The world's future food security is not a simple matter of producing more food. Rather, food security relies upon a number of intertwining factors, including population size, climate change, food production, food utilization (for things like animal feed and biofuels) and prices, experts say. Humans also have to pay close attention to their use of the Earth's resources, or risk making the situation worse.
Experts agree the planet can definitely produce enough food for 11 billion people, but whether humans can do it sustainably, and whether consumers will ultimately be able to afford that food, are not guarantees.
Feeding the growing population will likely require a number of different strategies — from creating new crop varieties and reducing food waste to, yes, eating insects
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