What World Will the Seven Billionth Person Grow Up In?

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This past Halloween, the world's population hit seven billion, according to the United Nations. So what do we know about our planet's seven billionth child? And what world will he or she grow up in? A few days before this landmark, Suzanne Petroni the vice president for global health at the Public Health Institute, came on The Takeaway to discuss these questions — and she had some surprising predictions on who the Earth's seven billionth person would be.