Assigned Amounts

Assigned Amounts
Name	Kyoto Protocol Assigned Amounts
Type	International environmental accounting instrument
Established	1997
Legal basis	United Nations Framework Convention on Climate Change, Kyoto Protocol
Related	United Nations, Intergovernmental Panel on Climate Change, European Union Emissions Trading Scheme, Clean Development Mechanism, Joint Implementation

Assigned Amounts

Assigned Amounts are quantified emission entitlements established under the Kyoto Protocol as a legal accounting framework for Parties to the United Nations Framework Convention on Climate Change (UNFCCC). They convert national greenhouse gas commitments into tradable units and compliance targets linked to specific accounting periods, integrating with mechanisms such as the Clean Development Mechanism and Joint Implementation. Assigned Amounts underpin the interaction between Annex I Parties, European Union, Japan, Canada, New Zealand, Russia, and other signatories in their efforts to meet negotiated targets.

Definition and Legal Basis

Assigned Amounts derive from the binding commitments set by Annex I Parties in the Kyoto Protocol annexes and decisions adopted at sessions of the Conference of the Parties (COP) under the UNFCCC, including COP3 where the Kyoto text was concluded. They are defined by the Protocol's provisions on assigned amount, commitment period and compliance accounting and are operationalized through procedures developed by the Subsidiary Body for Scientific and Technological Advice and the Subsidiary Body for Implementation. Legal instruments such as the Protocol text, the Marrakesh Accords, and COP decisions govern issued Assigned Amounts, their conversion into units like Certified Emission Reductions and Emission Reduction Units, and the rules for tracking, reporting and verification via national inventories managed by the Secretariat of the United Nations Framework Convention on Climate Change.

History and Development

The concept emerged during negotiations involving delegations from United States, European Community, Japan, Russia, Canada, Australia and others at the United Nations Conference on Environment and Development follow-ups and culminated at COP3 in Kyoto in 1997. The Marrakesh Accords (2001) and subsequent COP/MOP sessions detailed modalities for establishing national assigned amounts, linking them to base years such as 1990 and to basket gases recognized by the Intergovernmental Panel on Climate Change and adopted in Protocol Annex A. Post-1997 developments saw legal and political shifts after ratifications by Parties including European Union member states, Japan, and the withdrawal of Canada as well as non-ratification actions by United States senators and administrations. Parallel processes such as the operationalization of the Clean Development Mechanism and Joint Implementation shaped the practical application of Assigned Amounts into market instruments and registry systems.

Calculation and Allocation Methodology

Calculation of Assigned Amounts begins with a base year and an agreed percentage commitment relative to that base, as established for each Annex I Party in the Protocol’s Annex B or by subsequent COP decisions. The methodology employs greenhouse gas categories listed in Annex A—carbon dioxide, methane, nitrous oxide, and fluorinated gases—following emissions metrics and global warming potentials provided by the Intergovernmental Panel on Climate Change guidance. National totals incorporate adjustments for land-use, land-use change and forestry activities subject to rules adopted in venues including COP13 and COP/MOP2. Allocation translates assigned amounts into annual or multi-year commitment period reserve figures and into tradable units such as Assigned Amount Units recorded in national registries overseen by the UNFCCC Secretariat, interoperable with regional systems like the European Union Emissions Trading Scheme.

Role in International Climate Agreements

Assigned Amounts function as the core compliance metric under the Kyoto framework, linking negotiated international targets (e.g., EU burden-sharing under Kyoto Protocol commitments) to domestic policies and to treaty-based compliance procedures. They facilitate cooperative mechanisms by allowing transfers via Emissions trading among Annex I Parties and underpin project-based mechanisms like the Clean Development Mechanism and Joint Implementation, which generate tradable units exchangeable against assigned amounts. Assigned Amounts also influenced post-Kyoto negotiations at venues such as COP21 (Paris Agreement deliberations) by illustrating market-based compliance options, informing negotiators from Parties including Brazil, China, India, South Africa, and Australia about accounting, transparency and integrity requirements.

Compliance, Trading, and Market Mechanisms

Compliance regimes under the Protocol use Assigned Amounts as the denominator for assessing Party performance, with enforcement procedures developed through COP/MOP decisions and the Protocol’s compliance mechanism. Trading mechanisms convert portions of Assigned Amounts into units—AAUs, ERUs, and CERs—allowing Annex I Parties and registries to transfer entitlements across borders, subject to tracking in registries and transaction logs managed by the UNFCCC Secretariat. Markets involving these units interacted with regional schemes (notably the European Union Emissions Trading Scheme), voluntary programs, and bilateral arrangements; they were affected by national actions such as the Russian Federation banking of surplus AAUs and the withdrawal decisions by Parties like Canada. Integrity tools include verification through the UNFCCC review process and the application of penalties and remediation procedures in the Protocol compliance forum.

Criticisms and Controversies

Assigned Amounts attracted critique from environmental NGOs, academics and some national delegations for perceived oversupply of credits, allocation methods that generated surplus "hot air" in economies with declining industrial output (e.g., post-transition Russia and Ukraine), and vulnerabilities to fraud and double-counting exposed in some Clean Development Mechanism projects. Political controversy arose over the role of major emitters—such as United States non-ratification—and the effectiveness of market mechanisms compared to direct regulation advocated by groups including Greenpeace and World Wildlife Fund. Debates at international fora including COP15 and COP21 addressed how Assigned Amounts-style accounting could be reconciled with nationally determined contributions and transparency frameworks promoted by Parties like China, India, Brazil and the European Union, shaping subsequent treaty language and market governance discussions.

Category:Climate change policy