Video duration: 165 seconds
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The United States of America is 3.5 million square miles, which equals 5% of the world's land mass. The Earth's total land mass is 70 million square miles. Even at a 1% growth rate, in 650+ years, there will be one person per square foot on the Earth (well, if we don't starve to death first).
Video duration: 79 seconds
Global video hits: 14721
35 years ago, the big media scare was over population - we were all doomed. Then it was the coming ice age that was going to kill everyone. Now we're all going to die of global warming. Kind of typical that Lennon didn't follow the mainstream thought.
![John Lennon\](http://img.youtube.com/vi/3yRh5NNiFG0/2.jpg "John Lennon\")
