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Podcast: Engineering Matters
Episode: #46 Metro stations: The gateway to the city
Description: A tremendous change occurred with the industrial revolution: whereas it had taken all of human history until around 1800 for world population to reach one billion, the second billion was achieved in only 130 years in 1930, the third billion in 30 years in 1960, the fourth billion in 15 years in 1974, and the fifth billion in only 13 years 1987.
Growth rate hovers at a little over one per cent each year. Meaning every year there are around 80 million additional people needing a place to live, food to eat, warmth, clean water, sanitation, a place to study a place to work and the means t...