Comparing The World Before 1900, To Today – OpEd

For thousands of years before 1900, the population of the world hovered around one billion on the entire planet. In the short 200 years since 1900 the world population has “exploded” to the current 8 billion now living on this planet. What caused that quick growth from 1 to 8 billion?

Before 1900 most people never traveled...