The World's Population Booms; Should We Be Worried?
![](https://media.wnyc.org/i/800/0/c/85/photologue/photos/population.jpg)
Crowded streets of Harajuku, Tokyo
( GlobalCitizen01 / flickr )
( GlobalCitizen01 / flickr )
Produced by Susie Warhurst and Kristen Meinzer