new research suggests that the global population

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1. World population could peak at 8.5 billion people by the 2050s, study

   

2. As the global population hits 8 billion, here's what you need to know

   

3. Watch Earth's Population Hit 8 Billion With Real-Time Tracker

   

4. Why Global Population Growth Will Grind to a Halt by 2100

   

5. Comparing Global Population Projections to 2100

   

6. Global population reaches eight billion