From the article you linked: "During the last few decades, the solar activity is not increasing. It has stabilized at a high level, but the Earth's climate sti

From the article you linked: "During the last few decades, the solar activity is not increasing. It has stabilized at a high level, but the Earth's climate still shows a tendency toward increasing temperatures," Usoskin explained. He suspects even if there were a link between the Sun's activity and global climate, other factors must have dominated during the last few decades, including the increase of greenhouse gases in the atmosphere.