Climate Change and Burden Sharing

Perhaps the most controversially debated issue in climate negotiation is the question of burden sharing. According to the 1992 UNFCCC, the challenge of tackling anthropogenic climate change requires “common but differentiated responsibilities and respective capabilities”. This by itself is politically and ethically hardly a controversy. But, as always, the devil lies in details. What does this important principle exactly mean? How are we to define “responsibility” and “capability”? And what does follow? Many approaches have been proposed. A fairly appealing one is called the Greenhouse Development Rights and was proposed by Paul Baer, Tom Athanasiou and Sivan Kartha. Continue reading