It is expected to double in 50 years-14 billion people.
That should signify to everyone the importance of protecting water and food.
If push came to shove, we CAN, believe it or not live without cells phones, t.v. internet (NO, NO, NO) and we can live in houses and drive on roads made from something other than limestone.
It wouldn't be the comfort and conveniences we have become accustomed to, but we could do it.
BUT here is the hard truth, we can NOT live without water and food.
While you are thinking about that, think about where you are in the chain of 7 billion people.
Check out this cool website and you can find out what your number is-kinda like Where's Waldo:
http://www.bbc.co.uk/news/world-15391515
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