Common But Differentiated Responsibilities (CBDR) is a principle that was formalized in the United Nations Framework Convention on Climate Change (UNFCCC) of Earth Summit in Rio de Janeiro, 1992. The CBDR principle is mentioned in UNFCCC article 3 paragraph 1..,[1] and article 4 paragraph 1.[2] It was the first international legal instrument to address climate change and the most comprehensive international attempt to address negative impacts to global environment.[3] The CBDR principle acknowledges that all states have shared obligation to address environmental destruction but denies equal responsibility of all states with regard to environmental protection.

In the Earth Summit, states acknowledged disparity of economic development between developed and developing countries. Industrialization proceeded in developed countries much earlier than it did in developing countries. CBDR is based on the relationship between industrialization and climate change.[4] The more industrialized a country is, the more likely that it has contributed to climate change. States came to an agreement that developed countries contributed more to environmental degradation and should have greater responsibility for climate change mitigation than developing countries should. The CBDR principle could therefore be said to be based on the polluter-pays principle where historical contribution to climate change and respective ability to combat climate change become measures of responsibility for environmental protection.[5]

Concept of CBDR evolved from notion of "common concern" in Convention for the Establishment of an Inter-American Tropical Tuna Commission of 1949[6] and "common heritage of mankind" in United Nations Convention on the Law of the Sea, 1982.[7]

Objectives

In general, there are three objectives of contracting differential treatment; to bring substantive equality in a framework for justice, to foster cooperation among states, and to provide incentives for states to implement their obligations.[8]

In the Earth Summit, the CBDR principle was established to apprise the world that pollution transcends political boundaries and that environmental protection should be achieved through means of cooperation. UNFCCC 1992, Article 3 paragraph 1, "The Parties should protect the climate system for the benefit of present and future generations of humankind, on the basis of equity and in accordance with their common but differentiated responsibilities and respective capabilities. Accordingly, the developed country Parties should take the lead in combating climate change and the adverse effects thereof."[1]

Background: Differential Treatments

CBDR was not the first differential treatment of countries in international agreements. There were other protocols and agreements that employed a principle of differential treatment:

Criticism

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Todd Stern, then U.S. Special Envoy on Climate Change, said in his commencement speech at Dartmouth's 2012 graduation ceremony that the world can no longer have two distinct categories of countries having different responsibility for climate change mitigation. Countries should instead follow differentiation of a continuum, where states are required to act vigorously according to their own circumstances, abilities and responsibilities. He emphasized sharing the responsibility to reduce carbon emissions between all countries instead of having a group of countries take the bulk of the responsibility for mitigation.

Stone argues that the meaning of the word 'differentiated' could be problematic as every agreement differentiates.[11] He also says CBDR is "neither universal nor self-evident."[12]

Cullet points out that with CBDR, it may be difficult to determine the existence of specific customary norms.[13]

In 2002, Lavanya Rajamani argued that developing countries would have an unfair economic advantage because they would not face the same restrictions as would developed counties. A climate change treaty would be ineffective without the participation of developing countries. The US has suggested that developing countries are not doing enough to satisfy their share of 'common responsibility for the problem' of climate change. Developing countries, however, argued that their carbon emissions are essential to their survival, while those of the developed countries are 'luxury emissions.'[14]

The Paris Agreement departed from the prior paradigm of rigid categorization between industrialized and developing countries. Under prior agreements, such as the Kyoto Protocol, there was a rigid distinction between Annex 1 and Annex 2 countries among the parties to the Kyoto Protocol, which determined the countries' responsibilities. Industrialized (Annex 1) countries had to observe strict limits on emissions, while other countries did not. Under the Paris Agreement, each country makes its own nationally determined contribution based on its own national circumstances, and as circumstances change, so do the responsibilities.[15]

References

  1. ^ a b "United Nations Framework Convention on Climate Change" (PDF). UNFCCC. 1992. p. 4. Retrieved 24 September 2016. The Parties should protect the climate system for the benefit of present and future generations of humankind, on the basis of equity and in accordance with their common but differentiated responsibilities and respective capabilities. Accordingly, the developed country Parties should take the lead in combating climate change and the adverse effects thereof
  2. ^ "United Nations Framework Convention On Climate Change" (PDF). UNFCCC. 1992. p. 5. Retrieved 24 September 2016. All parties, taking into account their common but differentiated responsibilities and their specific national and regional development priorities, objectives and circumstances...
  3. ^ Harris, Paul G. (1999). "Common But Differentiated Responsibility: The Kyoto Protocol and United States Policy". New York University Environmental Law Journal. 27.
  4. ^ Cullet, Philippe (1999). "Differential Treatment in International Law: Towards a New Paradigm of Inter-state Relations". European Journal of International Law. 10, 3: 578.
  5. ^ Rajamani, Lavanya. "The Principle of Common but Differentiated Responsibility and the Balance of Commitments under the Climate Regime". Review of European Community & International Environmental Law. 9, 2: 122. ISSN 0962-8797.
  6. ^ "Convention for the Establishment of an Inter-American Tropical Tuna Commission" (PDF). Inter-American Tropical Tuna Commission. 31 May 1949. Archived from the original (PDF) on 13 May 2016. Retrieved 24 September 2016. ... by tuna fishing vessels in the eastern Pacific Ocean which by reason of continued use have come to be of common concern and desiring to co-operate in the gathering and interpretation of factual information to facilitate maintaining the populations of these fishes ...
  7. ^ "United Nations Convention on the Law of the Sea" (PDF). United Nations. 1982. Retrieved 24 September 2016. ... the General Assembly of the United Nations solemnly declared inter alia that the area of the seabed and ocean floor and the subsoil thereof, beyond the limits of national jurisdiction, as well as its resources, are the common heritage of mankind, the exploration and exploitation of which shall be carried out for the benefit of mankind as a whole, irrespective of the geographical location of States,
  8. ^ Cullet, Philippe (1999). "Differential Treatment in International Law: Towards a New Paradigm of Inter-state Relations". European Journal of International Law. 10, 3: 552–553.
  9. ^ "Differential and more favourable treatment reciprocity and fuller participation of developing countries". World Trade Organization. Retrieved 28 September 2016. 4. Any contracting party taking action to introduce an arrangement pursuant to paragraphs 1, 2 and 3 above or subsequently taking action to introduce modification or withdrawal of the differential and more favourable treatment so provided shall:
  10. ^ "Declaration of the United Nations Conference on the Human Environment". United Nations Environment Programme (UNEP). United Nations Environment Programme (UNEP). 1972. Archived from the original on 14 March 2015. Retrieved 23 September 2016. Without prejudice to such criteria as may be agreed upon by the international community, or to standards which will have to be determined nationally, it will be essential in all cases to consider the systems of values prevailing in each country, and the extent of the applicability of standards which are valid for the most advanced countries but which may be inappropriate and of unwarranted social cost for the developing countries.
  11. ^ Stone, Christopher D. (2004). "Common But Differentiated Responsibilities In International Law". The American Journal of International Law. 98, 2 (2): 276–301. doi:10.2307/3176729. JSTOR 3176729. S2CID 145020223.
  12. ^ Stone, Christopher D. (2004). "Common But". The American Journal of International Law. 98, 2 (2): 281. doi:10.2307/3176729. JSTOR 3176729. S2CID 145020223.
  13. ^ Cullet, Philippe (1999). "Differential Treatment in International Law: Towards a New Paradigm of Inter-state Relations". European Journal of International Law. 10, 3: 579.
  14. ^ Rajamani, Lavanya (17 December 2002). "The Principle of Common but Differentiated Responsibility and the Balance of Commitments under the Climate Regime". Review of European Community & International Environmental Law. 9, 2: 128–129.
  15. ^ Pauw, Pieter; Mbeva, Kennedy; van Asselt, Harro (2019-07-30). "Subtle differentiation of countries' responsibilities under the Paris Agreement". Palgrave Communications. 5 (1): 1–7. doi:10.1057/s41599-019-0298-6. ISSN 2055-1045.
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