[cmdrfred]

What about when the population doubles, and then doubles again?

http://geneticliteracyproject.org/wp-content/uploads/2015/01...

[tsotha]

That's very unlikely. The global population is probably going to peak mid-century and then go down.

[cmdrfred]

Is it? Where do you see that trend?

http://cdn.phys.org/newman/gfx/news/hires/worldpopulat.gif