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Climate Change

See also: Energy Policy
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Start with this lecture, presenting an excellent historical overview of the established scientific consensus that global warming exists, and it is driven by green-house gases produced by burning fossil fuels.

Here is a typical attempt by opponents to the scientific consensus to generate a sense that there is still widespread debate. It asserts that global warming is due only to sun variation, and its credibility is under question.

The following paper is very important as it systematically refutes the primary claim in the Great Global Warming Swindle

In this paper, the researchers studied the abundances of two isotopes, C-14 and Be-10, both of which are created with interaction with cosmic rays. The paper claims that the source of the two elements (tree trunks and ice sheets or ocean sediments) is very different but they show a correlation. Since the primary source of Cosmic Ray flux is the sun, these elements can be used to provide a history of solar variability.

The conclusion of this paper states:

There are many interesting palaeoclimate studies that suggest that solar variability had an influence on pre-industrial climate. There are also some detection–attribution studies using global climate models that suggest there was a detectable influence of solar variability in the first half of the twentieth century and that the solar radiative forcing variations were amplified by some mechanism that is, as yet, unknown. However, these findings are not relevant to any debates about modern climate change. Our results show that the observed rapid rise in global mean temperatures seen after 1985 cannot be ascribed to solar variability, whichever of the mechanisms is invoked and no matter how much the solar variation is amplified.

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Project Form edit

Project Name? Climate Change
Project Description? Investigation into the debate over anthropogenic climate change based on Greenhouse gasses.
Project Founder? Raymond Lutz
Project Curator? Raymond Lutz
Project Parents? Energy Policy
Project Status? Active
Project Type Issue Oversight
Topic attachments
I Attachment Action Size Date Who Comment
pdfpdf RoyalSocietyPaperOnSolarActivityVsClimateChange.pdf manage 536.5 K 2009-03-22 - 22:29 Raymond Lutz The Royal Society: "Recent oppositely directed trends in solar climate forcings and the global mean surface air temperature " Lockwood & Frolich
Topic revision: r10 - 2009-05-05 - 20:39:03 - Raymond Lutz
 
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