
Stockholm Convention on Persistent Organic Pollutants is an international
environmental treaty
A treaty is a formal, legally binding written agreement between sovereign states and/or international organizations that is governed by international law. A treaty may also be known as an international agreement, protocol, covenant, convention ...
, signed on 22 May 2001 in
Stockholm
Stockholm (; ) is the Capital city, capital and List of urban areas in Sweden by population, most populous city of Sweden, as well as the List of urban areas in the Nordic countries, largest urban area in the Nordic countries. Approximately ...
and effective from 17 May 2004, that aims to eliminate or restrict the production and use of
persistent organic pollutant
Persistent organic pollutants (POPs) are organic compounds that are resistant to degradation through chemical, biological, and photolytic processes. They are toxic and adversely affect human health and the environment around the world. Because ...
s (POPs).
History
In 1995, the Governing Council of the
United Nations Environment Programme
The United Nations Environment Programme (UNEP) is responsible for coordinating responses to environmental issues within the United Nations system. It was established by Maurice Strong, its first director, after the Declaration of the United Nati ...
(UNEP) called for global action to be taken on POPs, which it defined as "chemical substances that persist in the environment,
bio-accumulate through the
food web
A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Position in the food web, or trophic level, is used in ecology to broadly classify organisms as autotrophs or he ...
, and pose a risk of causing adverse effects to human health and the environment".
Following this, the Intergovernmental Forum on Chemical Safety (IFCS) and the
International Programme on Chemical Safety
The International Programme on Chemical Safety (IPCS) was formed in 1980 and is a collaboration between three United Nations bodies, the World Health Organization, the International Labour Organization and the United Nations Environment Programme, ...
(IPCS) prepared an assessment of the 12 worst offenders, known as the ''dirty dozen''.
The INC met five times between June 1998 and December 2000 to elaborate the convention, and delegates adopted the Stockholm Convention on POPs at the Conference of the Plenipotentiaries convened from 22 to 23 May 2001 in
Stockholm
Stockholm (; ) is the Capital city, capital and List of urban areas in Sweden by population, most populous city of Sweden, as well as the List of urban areas in the Nordic countries, largest urban area in the Nordic countries. Approximately ...
, Sweden.
The negotiations for the convention were completed on 23 May 2001 in Stockholm. The convention entered into force on 17 May 2004 with
ratification
Ratification is a principal's legal confirmation of an act of its agent. In international law, ratification is the process by which a state declares its consent to be bound to a treaty. In the case of bilateral treaties, ratification is usuall ...
by an initial 128 parties and 151 signatories. Co-signatories agree to outlaw nine of the dirty dozen chemicals, limit the use of
DDT to
malaria
Malaria is a Mosquito-borne disease, mosquito-borne infectious disease that affects vertebrates and ''Anopheles'' mosquitoes. Human malaria causes Signs and symptoms, symptoms that typically include fever, Fatigue (medical), fatigue, vomitin ...
control, and curtail inadvertent production of
dioxins and
furans.
Parties to the convention have agreed to a process by which persistent toxic compounds can be reviewed and added to the convention, if they meet certain criteria for persistence and transboundary threat. The first set of new chemicals to be added to the convention were agreed at a conference in
Geneva
Geneva ( , ; ) ; ; . is the List of cities in Switzerland, second-most populous city in Switzerland and the most populous in French-speaking Romandy. Situated in the southwest of the country, where the Rhône exits Lake Geneva, it is the ca ...
on 8 May 2009.
As of September 2022, there are 186 parties to the convention (185 states and the
European Union
The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...
).
Notable non-ratifying states include the United States, Israel, and Malaysia.
The Stockholm Convention was adopted to
EU legislation in Regulation (EC) No 850/2004. In 2019, the latter was replaced by Regulation (EU) 2019/1021.
Summary of provisions
Key elements of the Convention include the requirement that developed countries provide new and additional financial resources and measures to eliminate production and use of intentionally produced POPs, eliminate unintentionally produced POPs where feasible, and manage and dispose of POPs wastes in an environmentally sound manner. Precaution is exercised throughout the Stockholm Convention, with specific references in the preamble, the objective, and the provision on identifying new POPs.
Persistent Organic Pollutants Review Committee
When adopting the convention, provision was made for a procedure to identify additional POPs and the criteria to be considered in doing so. At the first meeting of the Conference of the Parties (COP1), held in Punta del Este, Uruguay, from 2 to 6 May 2005, the POPRC was established to consider additional candidates nominated for listing under the convention.
The committee is composed of 31 experts nominated by parties from the five United Nations regional groups and reviews nominated chemicals in three stages. The Committee first determines whether the substance fulfills POP screening criteria detailed in Annex D of the convention, relating to its persistence, bioaccumulation, potential for long-range environmental transport (LRET), and toxicity. If a substance is deemed to fulfill these requirements, the Committee then drafts a risk profile according to Annex E to evaluate whether the substance is likely, as a result of its LRET, to lead to significant adverse human health and/or environmental effects and therefore warrants global action. Finally, if the POPRC finds that global action is warranted, it develops a risk management evaluation, according to Annex F, reflecting socioeconomic considerations associated with possible control measures. Based on this, the POPRC decides to recommend that the COP list the substance under one or more of the annexes to the convention. The POPRC has met annually in Geneva, Switzerland, since its establishment.
The seventh meeting of the Persistent Organic Pollutants Review Committee (POPRC-7) of the Stockholm Convention on Persistent Organic Pollutants (POPs) took place from 10 to 14 October 2011 in Geneva. POPRC-8 was held from 15 to 19 October 2012 in Geneva, POPRC-9 to POPRC-15 were held in Rome, while POPRC-16
needed to be held online.
Listed substances
There were initially twelve distinct chemicals ("dirty dozen") listed in three categories. Two chemicals, hexachlorobenzene and polychlorinated biphenyls, were listed in both categories A and C. Currently, five chemicals are listed in both categories.
Chemicals newly proposed for inclusion in Annexes A, B, C
POPRC-7 considered three proposals for listing in Annexes A, B and/or C of the convention:
chlorinated naphthalenes (CNs),
hexachlorobutadiene (HCBD) and
pentachlorophenol
Pentachlorophenol (PCP) is an organochlorine compound used as a pesticide and a disinfectant. First produced in the 1930s, it is marketed under many trade names. It can be found as pure PCP, or as the sodium salt of PCP, the latter of which disso ...
(PCP), its salts and esters. The proposal is the first stage of the POPRC's work in assessing a substance, and requires the POPRC to assess whether the proposed chemical satisfies the criteria in Annex D of the convention. The criteria for forwarding a proposed chemical to the risk profile preparation stage are persistence, bioaccumulation, potential for long-range environmental transport (LRET), and adverse effects.
POPRC-8 proposed
hexabromocyclododecane
Hexabromocyclododecane (HBCD or HBCDD) is a brominated flame retardant. It consists of twelve carbon, eighteen hydrogen, and six bromine atoms tied to the ring. Its primary application is in extruded (XPS) and expanded (EPS) polystyrene foam used ...
for listing in Annex A, with specific exemptions for production and use in expanded polystyrene and extruded polystyrene in buildings. This proposal was agreed at the sixth Conference of Parties on 28 April – 10 May 2013.
POPRC-9 proposed
di-, tri-, tetra-, penta-, hexa-, hepta- and octa-chlorinated naphthalenes, and hexachlorobutadiene for listing in Annexes A and C. It also set up further work on pentachlorophenol, its salts and esters, and decabromodiphenyl ether, perfluorooctanesulfonic acid, its salts and perfluorooctane sulfonyl chloride.
POPRC-15 proposed
PFHxS for listing in Annex A without specific exemptions.
Currently,
chlorpyrifos
Chlorpyrifos (CPS), also known as chlorpyrifos ethyl, is an organophosphate pesticide that has been used on crops, animals, in buildings, and in other settings, to kill several pests, including insects and worms. It acts on the nervous systems ...
, long-chain
perfluorocarboxylic acids and medium-chain
chlorinated paraffins are under review.
Controversies
Although some critics have alleged that the treaty is responsible for the continuing death toll from malaria, in reality the treaty specifically permits the public health use of
DDT for the control of
mosquito
Mosquitoes, the Culicidae, are a Family (biology), family of small Diptera, flies consisting of 3,600 species. The word ''mosquito'' (formed by ''Musca (fly), mosca'' and diminutive ''-ito'') is Spanish and Portuguese for ''little fly''. Mos ...
es (the malaria
vector
Vector most often refers to:
* Euclidean vector, a quantity with a magnitude and a direction
* Disease vector, an agent that carries and transmits an infectious pathogen into another living organism
Vector may also refer to:
Mathematics a ...
). There are also ways to prevent high amounts of DDT consumed by using other malaria controls such as window screens. As long as there are specific measures taken, such as use of DDT indoors, then the limited amount of DDT can be used in a regulated fashion. From a developing country perspective, a lack of data and information about the sources, releases, and environmental levels of POPs hampers negotiations on specific compounds, and indicates a strong need for research.
Another controversy would be certain POPs (which are continually active, specifically in the Arctic Biota) that were mentioned in the Stockholm Convention, but were not part of the Dirty Dozen such as perfluorooctane sulfonate (PFOS). PFOS have many general uses such as stain repellents but have many properties which can make it a dangerous due to the fact that PFOS can be highly resistant to environmental breakdown. PFOS can be toxic in terms of increased offspring death, decrease in body weight, and the disruption of neurological systems. What makes this compound controversial is the economic and political impact it can have among various countries and businesses.
Related conventions and other ongoing negotiations regarding pollution
*
Rotterdam Convention on the Prior Informed Consent Procedure for Certain Hazardous Chemicals and Pesticides in International Trade
*
Convention on Long-Range Transboundary Air Pollution (CLRTAP)
*
*
Minamata Convention on Mercury
Ongoing negotiations
* Intergovernmental Forum on Chemical Safety (IFCS)
*
Strategic Approach to International Chemicals Management (SAICM)
References
Further reading
* Chasek, Pam,
David L. Downie, and J.W. Brown (2013). ''Global Environmental Politics'', 6th Edition, Boulder: Westview Press.
* Downie, D., Krueger, J. and Selin, H. (2005). "Global Policy for Toxic Chemicals", in R. Axelrod, D. Downie and N. Vig (eds.) ''The Global Environment: Institutions, Law & Policy'', 2nd Edition, Washington: CQ Press.
* Downie, David and Jessica Templeton (2013). "Persistent Organic Pollutants." ''The Routledge Handbook of Global Environmental Politics''. New York: Routledge.
*
*
*
* Porta, M., Gasull, M., López, T., Pumarega, J. Distribution of blood concentrations of persistent organic pollutants in representative samples of the general population. United Nations Environment Programme – Regional Activity Centre for Cleaner Production (CP/RAC) Annual Technical Publication 2010, vol. 9, pp. 24–31
PDF.
* Selin, H. (2010). Global Governance of Hazardous Chemicals: Challenges of Multilevel Management, Cambridge: The MIT Press.
*
External links
Stockholm Convention SecretariatText of the ConventionRatifications''Earth Negotiation Bulletin'' coverage of Stockholm Convention Meetings
{{DEFAULTSORT:Stockholm Convention on Persistent Organic Pollutants
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