For japan, this is reality.For the rest of the world (Ie, the UK, USA) this is merely a look at 10, 20 years into the future, as population doubles... and doubles again... and again... Abusive comment hidden. (Show it anyway.)
For the rest of the world (Ie, the UK, USA) this is merely a look at 10, 20 years into the future, as population doubles... and doubles again... and again...