VICTOR HABBICK VISIONS / SCIENCE PHOTO LIBRARY VICTOR HABBICK VISIONS / SCIENCE PHOTO LIBRARY
Gaia hypothesis. Computer artwork of the Earth half seen as an apple over a sea. The Gaia hypothesis, named after the personification of Mother Earth in ancient Greek mythology, is that the entire planet acts as a self-regulating organism. This theory was put forward by Professor James Lovelock (born 1919).
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