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Do solar cycles significantly affect earth's climate?

Topics: Global Warming   Science   Climatology  

Background

Some scientists suggest that the sun has a significant if not primary role in determining earth's climate. However, the IPCC rejects that idea.
 


Expert Opinions

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Agree
AnswerExpert
Quote
Geologist, President of the Geological Society of India
The causes of these changes are cosmogenic...     
23 Aug 2007   Source
Particle Physicist
[Sun and cosmic rays] will probably be able to account for somewhere between a half and the whole of the increase in the Earth's temperature that we have seen in the last century.     
23 Feb 2007   Source
By the mid-21st century the planet will face another Little Ice Age, similar to the Maunder Minimum, because the amount of solar radiation hitting the Earth has been constantly decreasing since the 1990s and will reach its minimum approximately in 2041.     
01 Aug 2007   Source
Disagree
AnswerExpert
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IPCC, Scientific Body formed by U.N.
The TAR [Third Assessment Report] states that the changes in solar irradiance are not the major cause of the temperature changes in the second half of the 20th century unless those changes can induce unknown large feedbacks in the climate system.     
01 Jan 2008   Source