Tønnessen, Morten. “Anticipating the Societal Transformation Required to Solve the Environmental Crisis in the 21st Century”. Sign Systems Studies 49, no. 1-2 (June 4, 2021): 12-62. Accessed December 7, 2021. http://ojs.utlib.ee/index.php/sss/article/view/SSS.2021.49.1-2.02.