Testing the proposed causal link between cosmic rays and cloud cover

@article{Sloan2008TestingTP,
  title={Testing the proposed causal link between cosmic rays and cloud cover},
  author={T. Sloan and A. Wolfendale},
  journal={Environmental Research Letters},
  year={2008},
  volume={3},
  pages={024001}
}
A decrease in the globally averaged low level cloud cover, deduced from the ISCCP infrared data, as the cosmic ray intensity decreased during the solar cycle 22 was observed by two groups. The groups went on to hypothesize that the decrease in ionization due to cosmic rays causes the decrease in cloud cover, thereby explaining a large part of the currently observed global warming. We have examined this hypothesis to look for evidence to corroborate it. None has been found and so our conclusions… Expand

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