Global climate

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Global climate is a concept that has never been defined, but roughly speaking it is meant to express the average temperature, average precipitation, average intensity of winds and similar features of Earth's atmosphere and the whole planet's surface. This general notion is intended to describe the climate variability in general, without dealing with the details of weather and local climate.

An important notion in global climate are ice ages. It is known that many variations of the global climate are of astronomical origin. Recently, there also exist speculations that the human activity affects the global climate. See global cooling, global warming.

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