People will create artificial suns and hung them over the north and south polar regions

Ivan Yefremov : paleontologist, geologist, science fiction author and social thinker
"In the Age of Realignment artificial suns were made and 'hung' over the north and south polar regions. These greatly reduced the size of the polar ice-caps that had been formed during the ice ages of the Quaternary Period and brought about extensive climatic changes.”

Novel "Andromeda"