The Number of Cities World Wide With More Than 1,000,000 (1 Million) Residents, Cities Not Existing for Most of History, Few Leaving the Location There Were Born Until the 19th Century, the Reason Agricultural Work Became Less Common During the 19th Century, the Composition of the Earth at Night (Black Marble) Image, the Data Utilized to Compile the Earth at Night Image, How U.S. Inventor Thomas Edison Revolutionized the Lightbulb, Edison’s Quote Related to Cost Effective Electric Energy, the Total Daily Usage of Electrical Energy World Wide, the Commodity Which Produces the Majority of Electrical Energy World Wide, the Largest Coal Mine in North America, the Total Volume of Soil Excavated at the North Antelope Rochelle Mine (Powder River Basin), the Total Volume of Soil Excavated to Produce Coal Within the North Antelope Rochelle Mine Post 1995, the Total Volume of Electrical Energy Produced by the North Antelope Rochelle Mine, the Country Which Exports the Most Coal World Wide, the Benefit of Coal for the Chinese Government, the Commodity Which Fuels the European Union’s Economy, the Strategy Which Inspired U.S. Businessperson Edwin Drake to Attempt to Siphon Oil Out of the Ground, the Reason Drake’s Early Oil Wells Failed, the Nickname of Drake During the Mid 19th Century, How Drake Resolved the Problem of Oil Wells Collapsing, the Total Volume of Oil Extracted From the Earth During the Past 150 Years, the Total Length of the Silk Road, the First International Trade Network, the Empires Which Benefited From the Silk Road, the Reason Utilizing the Silk Road Was Virtually Impossible During the 15th Century, the Reason the Shipping Container Reduced the Economic Cost of Shipping Products Internationally, the Total Economic Value of the Shipping Container Industry and the Number of Shipping Containers Transported Annually, the Number of Ships Which Traverse Through the Panama Canal Annually, the Most Congested Shipping Route World Wide, the View of Traveling Faster Than Horseback During the 19th Century, the Number of Languages Spoken Within New York City, United States of America and the Most Linguistically Diverse City in the World, the Number of Persons Who Attempt to Live Abroad Annually, the Number of Persons Simultaneously Using Transport World Wide, the Restrictions of Migration During 12,000 B.C., the Technology Which Expanded Travel During 3500 B.C., the Technology Which Expanded Travel in 1750, the Technologies Which Expanded Travel in 1802 and 1830, the Technology Which Expanded Travel in 1908, the Longest Continuous Road World Wide, the Total Distance of All Roads World Wide Combined, the Number of Persons Flying Simultaneously World Wide and the Number of Flights and International Countries Visited Annually, the Total Number of Airports World Wide, the Busiest Airport in the World, the Total Time Required to Reach Any Destination Upon Earth During the Modern Day, the Total Number of Emails, Tweets, Images and Social Media Likes Sent Daily, the Advent Which Inspired German Inventor Johannes Gutenberg to Develop the Lead Cast Dies of the Printing Press, the Benefit of the Printing Press for the Manufacturing of Books, the Total Number of Persons Born Daily During the Modern Day, the Population of the Earth in 2500 B.C., 1000 A.D., 1400 A.D., and 1800, the Population of the Earth in 1930, 1957, 1980, and 2012, the Predicted Global Population by 2030 and 2050, the Total Volume of Land Utilized for Agriculture and Livestock World Wide, the Total Volume of Agricultural Land Utilized to Grow Wheat Annually, the Total Volume of Agricultural Land Utilized by Each U.S. Resident During the Modern Day and the Hypothesis of the Total Volume of Agricultural Land Utilized by Each U.S. Resident in 2050, the Benefit of Biotechnology Innovations for Agricultural Crops Around the World, the Benefit of Novel Biotechnology Innovations for Climate Change, the Benefit of Vertical Agricultural Production, the Number of Persons Who Reside Within Cities During the Modern Day and the Hypothesized Number of Persons Who Will Reside Within Cities in 2050, More Urban Construction and Progress Occurring During the 21st Century Than All of Combined History, the Total Volume of Oil Within the Earth Which Has Not Been Extracted and the Period When the Earth Will Become Deplete of Oil, the Period When the Earth Will Become Deplete of Coal, and the Impact of the Continued Usage of Fossil Fuels Upon the Earth by 2050

Over 500 cities worldwide now have over 1,000,000 (1 million) people. For most of human history, cities were the exception not the rule, but the expansive growth of humans congregating within cities has exploded over the past 250 years. Prior to the 19th century, few people ever left the village in which they were born. Abruptly, farming became less and less common as industry and the economy shifted into factories located within cities, placed where money was earned and spent. The Black Marble ...


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