We've had large pandemics (black death anyone?) appear in a society less technologically developed than we are today - as our needs increase, there will be technological advances that will satisfy them.
Otherwise, birth control and regulation ... see how the US and EU are getting older and less populated, eventually emerging markets will go through that cycle ... there is no such thing as "constant" growth either !
If your facebook allowed ... I would poke you !

good in principle, a bit hollywood alarmist article.