An interestingg report has just been handed down about the interaction between the solar cycle and terrestrial climate.
While generally not seen as the cause of climate change, it appears that events such as el nino and la nina can be driven by the solar output. An imager designed to view the suns output is being asked for so that a more comprehensive understanding can be made.
Article can be
found here
Feel free to discuss.
It just goes to show how little we still know about the sun. Personally I think that since we live inside the atmosphere of a star, that must have some effect up climate change in the long term. The extent of the effect must still be in question. Most likely minimal but maybe it is a significant factor. Watching the next two cycles will certainly give us a better understanding.