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How much of the land area of earth is covered by human construction?
Wiki User
∙ 11y ago
Only a tiny fraction of it is. Most of earth's surface is desert or tundra, and as such is largely unoccupied. Mumbai has 30,000 people per square kilometer. Karachi, Pakistan has about 20,000. Sapporo, Japan, about 5000. Denver, Colorado has only 1,500 people per square km.
The median of the world's 125 largest cities is Manchester, UK, at about 4000 people per square mile. We'll use that for our average. There are a little over 7 billion people on earth now. Using the average of 4000/km2, that works out to 1.75 million square kilometers (675 thousand square miles) of "urban" landscape, which would include roads, bridges, etc.
Approximately 150 million square km of earth's surface is land, so 1.75/150 = just a little over 1% covered by human construction. This estimate seems reasonable.
Wiki User
∙ 11y ago
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How much area does ice occupy on earth?
Approximately 70% of Earth's surface is covered by the oceans.
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What is Earth's surface area?
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What percentage of the earth is covered by deserts?
About 33% of the land area of the earth is covered by deserts.
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About 71%
How much area does ice occupy on earth?
Approximately 70% of Earth's surface is covered by the oceans.
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How much surface area of the earth is covered by greenhouse gases?
Greenhouse gases, particularly carbon dioxide, are part of the Earth's atmosphere; as such, they cover all of the Earth's surface. The whole world is covered by atmosphere.
How does the area of earth surface covered by the oceans compare with the area covered by land?
360 millon kilometers or just 71% and the contents 29% or just 150 million kilometers
During the most recant ice age glacier covered about percent of the earth's land area?
The previous answer was incorrect. NOW the Earth's surface is covered with ice, but during the most recent ice age, NEARLY 30% of the Earth was covered by ice!I'm a little bold
What percentage on earth's surface is covered in glaciers?
it is 28% of the world was covered by glaciers. 28% of the earth was covered by Glaciers during the Ice Age.
What percent of earth is covered by rain forest?
less than 2% of Earth's total surface area, according to the nature conservancy
