Heartland.org – Those who think the political war on carbon will cool the globe or keep climate stable need to study climate history.
Temperatures on Earth dance to a cyclic rhythm every hour, every day, every month, every season, every year, and to every beat of the sun-spot and glacial cycles.
The daily solar cycle causes continual changes in temperature for every spot on Earth. It produces the frosts at dawn, the mid-day heat and the cooling at sunset. It is regulated by rotation of the Earth.
Superimposed on the daily solar cycle is the monthly lunar cycle, driven by the orbit of the Moon around the Earth. These two cycles interact to produce variations in atmospheric pressure and tides, and currents in the oceans and the atmosphere. These are the daily weather makers.
The yearly seasonal cycle is caused as the tilted axis of Earth’s rotation affects the intensity of solar energy received by each hemisphere. This produces spring, summer, autumn and winter for every spot on Earth.
Then there is the 22 year sun-spot cycle, which correlates with cycles of floods and droughts. Sunspot cycles are indicators of solar activity which causes periods of global warming and cooling.
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