Environmental Studies

Environmental Studies - Environmental Studies: History of...

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Environmental Studies: History of Earth and Gaia Hypothesis 03/04/2008 12:02:00 Gaia and Gaia Hypothesis Gaia: The name of the Earth goddess used by Greeks Gaia Hypothesis: Earth is a superorganism, actively self-regulating it’s environment and maintaining its environment homeostasis Lovelock stated (1988): Gaia is the superorganism, a planet size entity, has properties that are not necessarily discernible by just knowing individual species or populations of organisms living together. The essence of Gaia is the “emergent property” between the material Earth and the living organisms, which possesses the ability of self-regulation to its homeostasis. The main evidence was mostly drawn from the atmospheric composition of Earth and its state of chemical disequilibrium The increase in oxygen and ozone in the atmosphere forms key positive feedback mechanisms for a changing biosphere As recorded in documents, the idea that Earth as a superorganism was first coined by Scottish scientist, James Hutton, in 1785 at a meeting of Royal Society of Edinburgh The concept of biosphere was first introduced by Vladimir I. Vernadsky in 1911 -Gaia hypothesis offers a different way of viewing Earth: 1. A holistic way, instead of a reductionistic way. 2.
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Environmental Studies - Environmental Studies: History of...

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