Earth immune system

Earth immune system

The Earth immune system is a controversial proposal, claimed to be a consequence of the Gaia hypothesis.The Gaia hypothesis holds that the entire earth may be considered a single organism (Gaia).As a self-maintaining organism, Earth would possess an immune system of some sort in order to maintain its health.

Some proponents of this speculative concept, for example, hold that humankind can be considered an "infection" of Gaia, and that AIDS is an attempt by this immune system to reject the infection. "Cancer" might be a more accurate term, as humans evolved within Gaia, and are not external invaders.An opposite view is that humankind is Gaia's immune system itself, perhaps evolved to avert future catastrophes such as the Permian and Cretaceous mass extinctions of species.

James Lovelock's book "Gaia's Revenge" suggests that Gaia has many mechanisms for eliminating civilisations that do harm through greenhouse gas emissions and global warming, but suggests that with increasing heat being received from the sun, Gaia's ability to "bounce back" as it did after the Permian and Cretaceous extinction events, may be increasingly compromised.

References

* Bailey, Ronald (July 31, 2002). [http://www.reason.com/rb/rb073102.shtml Defenders of Earth: Are humans Gaia's immune system?] "Reasononline". Retrieved 2005-03-26.
* Lehman, Andy (April 12, 2003). [http://www.newciv.org/nl/newslog.php/_v68/__show_article/_a000068-000018.htm Subtle Psychopathy and Schizophrenic Supermen: Gandhi Was a Cultural Oncologist] . "New Civilization Network, Personal News Logs". Retrieved 2005-03-26.

ee also

*Gaia hypothesis
*Gaia philosophy
*Geophysiology
*Pseudoscience


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