[mhroth]

If anyone is interested in a fanciful take on reducing the world's population in order to save it, I can happily recommend Channel 4's two-season Utopia series [0]

[0] https://www.youtube.com/watch?v=uJnN3WMwDsk

[guerrilla]

Or watch Hans Rosling on how it's not a problem. https://www.youtube.com/watch?v=usdJgEwMinM