Sun causing climate change?

In 2003, a scientist from the Columbia University in NYC studied over two decades of satellite data and came to the conclusion that solar output has increased - ie the SUn is sending more energy our way, and that it is a factor in global warming. Other scientists used that data and have determinded that in 1980-2002, rises in solar output contributed at least 10 to 30 percent of increases to Earth’s surface temperatures. More...