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Tuesday, January 11, 2005

Myth: Export the population problem to outer space

This also may seem like an idea too absurd to discuss. However, it is amazing what can be suggested even in high government circles. In those early space exploration times, some thought that the answer to the population problem was to export it from Earth. Hardin has identified the source of this myth stating: "In 1958, four years after the founding of NASA —the National Aeronautics and Space Administration—its congressional guardian, the Science and Astronautics Committee, supported the idea of space migration as an ultimate solution to the problem of a 'bursting population."' Hardin adds, ". . . when an agency is fighting for space that counts—space at the public trough—its administrators are in no hurry to correct statements that increase the size of their budget."(14)
Regardless of their logic or otherwise, ideas of populating space persist. In 1996, an article in a national magazine proposed that most industrial plants on Earth be replaced by those built on the moon and that the population pressures on Earth be solved by colonizing Mars. Some quotes from that article follow:
"The only way to keep the economy expanding infinitely is to expand our resource base infinitely. The universe is a big place. Human ingenuity is such that we will find innumerable ways to economically prosper in space"
"We will have escaped the trap of a closed, cyclical economy; the riches of the solar system will lie before us."
"The moon, with no ecosystem to damage, can become the seat of heavy industry. The earth, relieved of its population pressure and industrial burden as people migrate, can be allowed to regreen."(16)
Reality:
Just to keep even with population growth, much less reduce the people pressure on this already overcrowded planet, approximately 250,000 people a day would have to be rocketed off to "somewhere" in outer space! The only merit might be that it would generate a lot of employment in a very large aerospace industry to produce the spaceships needed daily. The amount of energy needed to propel these vehicles was never calculated or how it was to be continually obtained.
Mining the moon and sending people off into space to solve the population problem were myths at one time advocated by people who wanted to promote their special interests in the space program. That these suggestions would come from U.S. Government agencies is almost incredible.
Similar suggestions made more recently stem from a recognition that we face increasing environmental problems and demands on limited resources.(16) With this there can be little disagreement, but continuing to escort people to space to solve the problem is not reasonable, to put it mildly. The support systems necessary to keep people alive in space already seen in our current very small space program are very expensive in terms of resources. To provide such for the 250,000 people a day launched into space just to keep the Earth's population stable is almost beyond comprehension, and this would have to be done indefinitely. Humans are adjusted to the environment on Earth, and space is a vast and very hostile environment unfit for human habitation. Space does not offer a viable alternative to the environment on Earth. The dream of colonizing space will remain just that. Any credibility given it only serves to momentarily divert attention from the reality of the closed resource system which is the Earth and with which we must deal.
Cohen has stated what we may hope will be the final word on the concept of exporting excess population to outer space:
"Let me dispense once and for all with extraterrestrial emigration. To achieve a reduction in the global population growth from say 1.6 percent to 1.5 percent would currently require departure of 0.001 x 5.7 billion = 5.7 million astronauts in the first year and increasing numbers in each later year. To export this number of people would bankrupt the remaining Earthlings and would still leave a population that doubled every 46 years. Demographically speaking space is not the place."(10)
A final fundamental fact related to moon mining and space travel in general is the cost. At present the cost of moving the space shuttle, satellites, and other payloads into orbit is about $10,000 a pound. In 1996, Lockheed Martin Corporation was awarded a billion dollar contract by the U.S. government to develop what is called the X-33 next generation of space shuttle. One of these is expected to be operational before 2010, and could bring the cost down to $1,000 a pound or perhaps slightly less for payload transport to space. However, this too, seems excessive for an extensive use, and reinforces a view which has been expressed regarding vehicles designed to access space that it is the "most effective device know to man for destroying dollar bills."
Let us hear no more about the absurdity of space colonization. These examples of myths emphasize the continual need to use reality in examining statements made, even by government officials, with regard to our energy and mineral resources, and population problem. These are basic to our very existence, and it is most important that plans for the future, by both government and the private sector, be firmly based on realities.

Copyright 1997, Walter L. Youngquist -- Posted with permissionfrom GeoDestinies, by Walter Youngquist PhD & Chair Emeritus,Department of Geology, University of Oregon;National Book Company, 1997; ISBN 0894202995


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