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And the sun also greatly increased its activity over the last 100 years. Anthropomorphic climate change is still debatable. https://www.space.com/2942-sun-acti

• dewey 4y ago
  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.