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James Ephraim Lovelock (26 July 1919 – 26 July 2022) was an English independent scientist, environmentalist and futurist.He is best known for proposing the Gaia hypothesis, which postulates that the Earth functions as a self-regulating system.
At long irregular intervals, Earth's biosphere suffers a catastrophic die-off, a mass extinction, [9] often comprising an accumulation of smaller extinction events over a relatively brief period. [10] The first known mass extinction was the Great Oxidation Event 2.4 billion years ago, which killed most of the planet's obligate anaerobes.
Lovelock called it first the Earth feedback hypothesis, [43] and it was a way to explain the fact that combinations of chemicals including oxygen and methane persist in stable concentrations in the atmosphere of the Earth. Lovelock suggested detecting such combinations in other planets' atmospheres as a relatively reliable and cheap way to ...
More recently, the basic elements of the discipline of biogeochemistry were restated and popularized by the British scientist and writer, James Lovelock, under the label of the Gaia Hypothesis. Lovelock emphasized a concept that life processes regulate the Earth through feedback mechanisms to keep it habitable.
The idea that Earth is alive is found in philosophy and religion, but the first scientific discussion of it was by the Scottish geologist James Hutton. In 1785, he stated that Earth was a superorganism and that its proper study should be physiology. [12]: 10 The Gaia hypothesis, proposed in the 1960s by James Lovelock, suggests that life on ...
Schematic diagram of the anti-CLAW hypothesis (Lovelock, 2006) [1] The Revenge of Gaia: Why the Earth is Fighting Back – and How We Can Still Save Humanity (2006) is a book by James Lovelock . Some editions of the book have a different, less optimistic subtitle: Earth's Climate Crisis and the Fate of Humanity .
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Daisyworld is the name of a model developed by Andrew Watson and James Lovelock (published in 1983) to demonstrate how organisms could inadvertently regulate their environment. [1] The model simulates a fictional planet (called Daisyworld) which is experiencing slow global warming due to the brightening of the Sun. The planet is populated by ...