Does the Sun contribute to Climate Change?

SummaryNeither anthropogenic or natural variations can alone explain thetemperature variations the last 150 years.It is not only CO2 and/or the SunWhatever mechanisms caused past climate change may work todayand will most probably also work in the future.Don’t always expect to find a perfect fit to solar proxies and globaltemperature trends.Solar activity at a record high last 50 years - can this continue to«pump» energy into the climate system?The only thing we know for sure is that the Sun will NOTbe constant the next 100 years.tirsdag 1. november 1140