source History of global warming History of the greenhouse effect and global warming http://www.lenntech.com/greenhouse-effec... proposée «History of the greenhouse effect and global warming» from 1896 «History of the greenhouse effect and global warming» even though it had been theorized in 1896. first proposed by Svante Arrhenius in 1896 History of the greenhouse effect and global warming "History-of-the-greenhouse-effect-and-global-warming" «History of the greenhouse effect and global warming» "History-of-the-greenhouse-effect-and-global-warming" source