By Wynne Parry, LiveScience
Humanity is 17 million tons (15 million metric tons) overweight, according to a study that calculates the adult portion of the human race’s collective weight at 316 million tons (287 million metric tons).
That’s the equivalent of about 170 military aircraft carriers of extra weight. Or in people weight, it’s like having an extra 242 million people of average body mass on the planet.
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The United States ranked at the top of the "Heaviest 10" category
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The argument is simple. More body mass takes more energy to maintain and move; therefore as someone’s weight goes up, so do the calories they need to exist. This means increases in population counts don’t tell the whole story when it comes to demand for resources, according to the authors.
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"Tackling population fatness may be critical to world food security and ecological sustainability."
https://www.livescience.com/21003-human-population-global-obesity-weight.html
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