Edenhofer, Ottmar Potsdam Institute for Climate Impact Research;
Rockström, J. Potsdam Institute for Climate Impact Research and Cooperation Partners;
https://www.theguardian.com/environment/2018/oct/05/charge-30-a-tonne-for-co2-to-avoid-catastrophic-4c-warming (Verlagsversion)
Edenhofer, O., Rockström, J. (2018): Charge €30 a tonne for CO2 to avoid catastrophic 4C warming, (Charge €30 a tonne for CO2 to avoid catastrophic 4C warming)(The Guardian - Environment), London : The Guardian.
