Breakable wrote: I don’t mind any alternative explanations as long as they conform to science. Still co2 forcing is well established where cosmic rays are not:
http://en.wikipedia.org/wiki/Henrik_Svensmark#Debate_and_controversy

The criticisms of Svensmark’s CRF/Cloud formation theory have been rebutted.
The wikipedia article you posted has links to some but not all of these replies.

Some replies may be found here: http://www.sciencebits.com/SloanAndWolfendale

The “CLOUD” experiment at Cern is currently underway to further test his theory and hopefully provide a detailed explanation of this cloud formation mechanism.
Time will tell.