The term "global warming" is a specific example of the climate change, which can also refer to global cooling, The climate system varies through natural, internal processes and in response to variations external, factors who the solar activity, volcanic emissions and greenhouse gases. The detailed causes of the recent warningremain an active field of research, but the scientific consensus identifies increased levels of greenhouse gases due to human activity as the main influence. This attribution is clearest for the most recent 50 years, for which the most detailed data are available.
The greenhouse effectwas discovered by Joseph Fourierin 1824, the effect most pronounced is the evaporation of water. CO2 injected into the atmosphere causes a warming of the atmosphere and the earth's surface. The variations in solar activity, may have contributed to recent warming. A difference between this mechanism and greenhouse warming is that an increase in solar activity should produce a warming of the stratosphere while greenhouse warming should produce a cooling of the stratosphere.
The lack of knowledge has contributed to that the people do not become aware from the problem that has been caused to a great part by the own human.
The greenhouse effectwas discovered by Joseph Fourierin 1824, the effect most pronounced is the evaporation of water. CO2 injected into the atmosphere causes a warming of the atmosphere and the earth's surface. The variations in solar activity, may have contributed to recent warming. A difference between this mechanism and greenhouse warming is that an increase in solar activity should produce a warming of the stratosphere while greenhouse warming should produce a cooling of the stratosphere.
The lack of knowledge has contributed to that the people do not become aware from the problem that has been caused to a great part by the own human.
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