Russian intelligence agents are suspected of having breached to gain access to the email systems of government agencies and private companies, was a huge intelligence
5194/essd-11-1783-2019 . (原始内容存档于2021-05-06). IPCC (2022) Chapter 6: Energy systems (页面存档备份,存于互联网档案馆) in Climate Change 2022: Mitigation of Climate Change