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Gaia Theory

Gaia Theory

The Gaia theory originally began with scientist James Lovelock, who noted some peculiarities about Earth after trying to find life on Mars in the 1970’s. Lovelock noted that the temperature of Earth has remained constant, though the sun has produced increasingly more energy in the last 4 million years. He also noted the balance of nitrogen and oxygen in the atmosphere has remained constant, as has the ocean’s salinity.

His answer to these constants was that the Earth is one large creature, with all living organisms working together like cells to sustain the whole. The idea has been criticized, but lately discoveries such as sea life producing the exact amount of iodine and sulfur needed by land creatures, has helped lend credibility to the theory. 

Submitted by SuperGreenMe on Sep 21, 2008