Man-made global warming: even the IPCC admits the jig is up

Breaking news from the US – h/t Watts Up With That? – where a leaked draft of the IPCC’s latest report AR5 admits what some of us have suspected for a very long time: that the case for man-made global warming is looking weaker by the day and that the sun plays a much more significant role in “climate change” than the scientific “consensus” has previously been prepared to concede.

Here’s the killer admission:

Many empirical relationships have been reported between GCR or cosmogenic isotope archives and some aspects of the climate system (e.g., Bond et al., 2001; Dengel et al., 2009; Ram and Stolz, 1999). The forcing from changes in total solar irradiance alone does not seem to account for these observations, implying the existence of an amplifying mechanism such as the hypothesized GCR-cloud link. We focus here on observed relationships between GCR and aerosol and cloud properties.

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