if current theory predicts global warming what do you think might be contributing to temporary global cooling?how could this happen?
http://en.wikipedia.org/wiki/Global_cooling
Global cooling is a myth, at least as for as mainstream science is concerned.
Global cooling is indeed a myth in terms of current mainstream scientific understanding. However, if we were to consider a hypothetical scenario where temporary global cooling might occur, it could be due to several factors. These factors could include variations in solar radiation, volcanic activity, or aerosols in the atmosphere.
1. Solar Radiation: Changes in the output of solar energy reaching the Earth's surface could potentially lead to temporary global cooling. Although the sun's energy output is relatively stable, long-term variations in solar radiation have been observed. These fluctuations could potentially cause temporary cooling periods on a global scale.
2. Volcanic Activity: Major volcanic eruptions can release large amounts of sulfur dioxide and volcanic ash into the atmosphere. These volcanic emissions can block incoming sunlight, leading to a cooling effect on the Earth's surface. Historical examples of volcanic eruptions, such as the 1815 eruption of Mount Tambora, have been associated with temporary global cooling.
3. Aerosols: Certain industrial processes or natural events can release aerosols, which are tiny solid or liquid particles suspended in the atmosphere. Aerosols can reflect sunlight back into space, reducing the amount of solar radiation reaching the Earth's surface and causing a cooling effect. However, it is important to note that aerosols have a relatively short lifespan in the atmosphere, and their cooling effect is considered temporary.
It is crucial to reiterate that the prevailing scientific consensus supports the theory of global warming due to human activities, primarily driven by the emission of greenhouse gases. While hypothetical scenarios of temporary global cooling can be considered, addressing and mitigating the long-term impact of global warming remains a significant concern for the scientific community and society as a whole.