Heads of delegations at the2015 United Nations Climate Change Conference, which established theParis Agreement | |
| Date | 1995 (1995)–present |
|---|---|
| Organized by | ONU |
TheUnited Nations Climate Change Conferences are yearly conferences held in the framework of theUnited Nations Framework Convention on Climate Change (UNFCCC). They serve as the formal meeting of the UNFCCC parties—theconference of the parties (COP)—to assess progress in dealing withclimate change, and beginning in the mid-1990s, to negotiate theKyoto Protocol to establish legally binding obligations for developed countries to reduce theirgreenhouse gas emissions.[1] Starting in 2005 the conferences have also served as the "Conference of the Parties Serving as the Meeting of Parties to the Kyoto Protocol" (CMP);[2] also parties to the convention that are not parties to the protocol can participate in protocol-related meetings as observers. From 2011 to 2015, the meetings were used to negotiate theParis Agreement as part of theDurban platform, which created a general path towardsclimate action.[3] Any final text of a COP must be agreed by consensus.[4]
The first UN Climate Change Conference was held in 1995 in Berlin.[5][6]
Member states of the UNFCCC meet annually at the Conference of the Parties (COP) to assess progress in combating climate change. COP provides a platform for governments, NGOs, and the private sector to collaborate and determine strategies for global climate policy and action. These conferences offer an opportunity to discuss climate governance measures, reduce carbon emissions, and promote the transition to more sustainable energy sources.
The UN Climate Change Conferences[7] serve as key forums for shaping global policy, where representatives of various countries jointly address the reduction of global greenhouse gas emissions and support states in enhancing their resilience to climate impacts.
When the member states of the UNFCCC drafted the rules and procedures of the annual conference, they decided the event should rotate between the 5 UN groups. That order being, WEOG - Western European and Other Group, Africa Group, Asia and Pacific Group, Eastern European Group and lastly GRULAC - Group of Latin American and the Caribbean. Ideally, the group nominates a country to host the event and also provide the COP President to chair the meeting. However, there have been years when the group only provided the COP President but the host country was from a different country or group.
This happened in 1996, when the COP President was from Zimbabwe but Switzerland hosted. In 1999, the COP President was from Poland, but Berlin was the COP host city. Also from the Eastern European Group, Hungary provided the COP President, and Milan, Italy was the host venue in 2003. In 2017, Bonn, Germany hosted the COP and Fiji provided the COP Presidency. In 2019, Chile was to host but had to cancel due to civil unrest. They provided the presidency whilst Madrid, Spain ended up being the host venue.
In total, Germany and Poland have been the host country 3 times each, Morocco and Argentina each twice. 27 cities have hosted COPs, with Bonn, Germany, Buenos Aires, Argentina and Marrakesh, Morocco each hosting twice.
One COP did not close - COP 6 in the Hague, due to disruptions and had to be suspended. An additional session – COP bis, orCOP 6.5 was planned in Bonn, Germany the year after to officially close the session.There was only 1 year that the COP was cancelled – 2020, due to the COVID pandemic.
The first UNFCCCConference of the Parties took place from 28 March to 7 April 1995 inBerlin, Germany.[10][11] Delegates from 117 Parties and 53 Observer States attended the conference. One of the central issues of COP 1 was the adequacy of individual country commitments, resulting in a mandate to begin a process toward individual country action for the period beyond 2000. This included strengthening the commitments of Annex I Parties in Article 4.2(a) and (b).[12]
Delegates also established: a pilot phase for Joint Implementation projects; an agreement that the Permanent Secretariat should be located in Bonn, Germany; and theSubsidiary Bodies. Conference delegates did not reach consensus on the Rules of Procedures, and a decision on voting rules was deferred to COP 2.[12]
COP 2 took place from 8–19 July 1996 inGeneva, Switzerland.[13] Its ministerial declaration was noted (but not adopted) on 18 July 1996, and reflected a United States position statement presented byTimothy Wirth, former Under Secretary for Global Affairs for theUnited States Department of State at that meeting, which:[14][15]
COP 3 took place on 1–11 December 1997 inKyoto, Japan. After intensive negotiations, it adopted theKyoto Protocol, which outlined the greenhouse gas emissions reduction obligation forAnnex I countries, along with what came to be known as Kyoto mechanisms such as emissions trading, clean development mechanism and joint implementation.[16] In a separate decision of the Conference of Parties, countries agreed to a range of national security exemptions which stated thatbunker fuels and emissions from multilateral military operations would not be part of national emissions totals and would be reported outside of those totals.[17] Most industrialised countries and some central European economies in transition (all defined as Annex B countries) agreed to legally binding reductions in greenhouse gas emissions of an average of 6 to 8% below 1990 levels between the years 2008–2012, defined as the first emissions budget period. The United States would be required to reduce its total emissions an average of 7% below 1990 levels; however, Congress did not ratify the treaty after Clinton signed it. The Bush administration explicitly rejected the protocol in 2001.
COP 4 took place on 2–14 November 1998 inBuenos Aires, Argentina. It had been expected that the remaining issues unresolved in Kyoto would be finalised at this meeting. However, the complexity and difficulty of finding agreement on these issues proved insurmountable, and instead the parties adopted a two-year "Buenos Aires Plan of Action" (BAPA) to advance efforts and to devise mechanisms for implementing the Kyoto Protocol, to be completed by 2000. During COP 4, Argentina and Kazakhstan expressed their commitment to take on the greenhouse gas emissions reduction obligation, the first two non-Annex countries to do so.
COP 5 took place between 25 October and 5 November 1999, inBonn, Germany.[18] It was primarily a technical meeting, and did not reach major conclusions. 165 Parties were represented at the conference. Conference delegates continued their work toward fulfilling the Buenos Aires Plan of Action (BAPA) adopted at COP 4. In the last two days of the Conference, COP 5 adopted 32 draft decisions and conclusions related to the review of the implementation of commitments.[19] Despite reaching no major conclusions, COP-5 served as an important "intermediate step" laying out the difficult path to finalizing the Kyoto Protocol at COP-6.[20]
COP 6 took place on 13–25 November 2000, inThe Hague, Netherlands. Many in the international community and domestic environmental groups saw this meeting as a chance to finalize a Protocol that could secure ratification. Specifically, COP-6 was intended to complete work on the two-year Buenos Aires Plan of Action (BAPA), agreed upon at COP-4.[21] However, these groups saw the United States as a roadblock to finalise such a Protocol.[22] The discussions evolved rapidly into a high-level negotiation over the major political issues. These included major controversy over the United States' proposal to allow credit for carbon "sinks" in forests and agricultural lands that would satisfy a major proportion of the US emissions reductions in this way; disagreements over consequences for non-compliance by countries that did not meet their emission reduction targets; and difficulties in resolving howdeveloping countries could obtain financial assistance to deal with adverseeffects of climate change[23] and meet their obligations to plan for measuring and possibly reducing greenhouse gas emissions.
In the final hours of COP 6, despite some compromises agreed between the United States and some EU countries, notably the United Kingdom, the EU countries as a whole, led by Denmark and Germany, rejected the compromise positions, and the talks in The Hague collapsed.Jan Pronk, the President of COP 6, suspended COP 6 without agreement, with the expectation that negotiations would later resume.[24] It was later announced that the COP 6 meetings (termed "COP 6 bis") would be resumed inBonn, Germany, in the second half of July. The next regularly scheduled meeting of the parties to the UNFCCC, COP 7, had been set forMarrakesh, Morocco, in October–November 2001.
COP 6 negotiations resumed on 16–27 July 2001, inBonn, Germany, with little progress having been made in resolving the differences that had produced an impasse in The Hague. However, this meeting took place after George W. Bush had become the President of the United States and had rejected theKyoto Protocol in March 2001; as a result the United States delegation to this meeting declined to participate in the negotiations related to the Protocol and chose to take the role of observer at the meeting. As the other parties negotiated the key issues, agreement was reached on most of the major political issues, to the surprise of most observers, given the low expectations that preceded the meeting.[citation needed] The agreements included:
A number of operational details attendant upon these decisions remained to be negotiated and agreed upon, and these were the major issues considered by the COP 7 meeting that followed.
At the COP 7 meeting inMarrakesh, Morocco, from 29 October to 10 November 2001, negotiators wrapped up the work on theBuenos Aires Plan of Action, finalizing most of the operational details and setting the stage for nations to ratify the Kyoto Protocol. The completed package of decisions is known as theMarrakesh Accords. The United States delegation maintained its observer role, declining to participate actively in the negotiations. Other parties continued to express hope that the United States would re-engage in the process at some point and worked to achieve ratification of the Kyoto Protocol by the requisite number of countries to bring it into force (55 countries needed to ratify it, including those accounting for 55% of developed-country emissions of carbon dioxide in 1990). The date of the World Summit on Sustainable Development (August–September 2002) was put forward as a target to bring the Kyoto Protocol into force. TheWorld Summit on Sustainable Development (WSSD) was to be held inJohannesburg, South Africa.
The main decisions at COP 7 included:
Taking place from 23 October to 1 November 2002, inNew Delhi COP 8 adopted the Delhi Ministerial Declaration[25] that, amongst others, called for efforts by developed countries to transfer technology and minimise the impact of climate change on developing countries. It is also approved the New Delhi work programme[26][27][28][29] on Article 6 of the Convention.[30] The COP 8 was marked by Russia's hesitation, stating that it needed more time to think it over. The Kyoto Protocol could enter into force once it was ratified by 55 countries, including countries responsible for 55 per cent of the developed world's 1990 carbon dioxide emissions. With the United States (36.1 per cent share of developed-world carbon dioxide) and Australia refusing ratification, Russia's agreement (17% of global emissions in 1990) was required to meet the ratification criteria and therefore Russia could delay the process.[31][32]
COP 9 took place on 1–12 December 2003 inMilan,Italy. The parties agreed to use the Adaptation Fund established at COP 7 in 2001 primarily in supporting developing countries better adapt to climate change. The fund would also be used for capacity-building through technology transfer. At COP 9, the parties also agreed to review the first national reports submitted by 110 non-Annex I countries.
COP 10 took place on 6–17 December 2004.COP 10 discussed the progress made since the first Conference of the Parties 10 years ago and its future challenges, with special emphasis onclimate change mitigation and adaptation. To promote developing countries better adapt to climate change, the Buenos Aires Plan of Action[33] was adopted. The parties also began discussing the post-Kyoto mechanism, on how to allocate emission reduction obligation following 2012, when the first commitment period ends.
COP 11/CMP 1 took place between 28 November and 9 December 2005, inMontreal, Quebec, Canada. It was the firstConference of the Parties serving as the Meeting of the Parties to the Kyoto Protocol (CMP 1) since their initial meeting in Kyoto in 1997. It was one of the largest intergovernmental conferences on climate change ever. The event marked the entry into force of the Kyoto Protocol. Hosting more than10000 delegates, it was one of Canada's largest international events ever and the largest gathering in Montreal sinceExpo 67. The Montreal Action Plan was an agreement to "extend the life of the Kyoto Protocol beyond its 2012 expiration date and negotiate deeper cuts in greenhouse-gas emissions".[34] Canada's environment minister at the time,Stéphane Dion, said the agreement provides a "map for the future".[35][36]
COP 12/CMP 2 took place on 6–17 November 2006 inNairobi, Kenya. At the meeting, BBC reporter Richard Black coined the phrase "climate tourists" to describe some delegates who attended "to see Africa, take snaps of the wildlife, the poor, dying African children and women". Black also noted that due to delegates concerns over economic costs and possible losses of competitiveness, the majority of the discussions avoided any mention of reducing emissions. Black concluded that was a disconnect between the political process and the scientific imperative.[37] Despite such criticism, certain strides were made at COP12, including in the areas of support for developing countries and clean development mechanism. The parties adopted a five-year plan of work to supportclimate change adaptation by developing countries, and agreed on the procedures and modalities for the Adaptation Fund. They also agreed to improve the projects for clean development mechanism.
COP 13/CMP 3 took place on 3–15 December 2007, atNusa Dua, inBali,Indonesia. Agreement on a timeline and structured negotiation on the post-2012 framework (the end of the first commitment period of the Kyoto Protocol) was achieved with the adoption of theBali Action Plan (Decision 1/CP.13). TheAd Hoc Working Group on Long-term Cooperative Action under the Convention (AWG-LCA) was established as a new subsidiary body to conduct the negotiations aimed at urgently enhancing the implementation of the Convention up to and beyond 2012. Decision 9/CP.13 is an Amended to the New Delhi work programme.[27] These negotiations took place during 2008 (leading to COP 14/CMP 4 in Poznan, Poland) and 2009 (leading to COP 15/CMP 5 in Copenhagen).
COP 14/CMP 4 took place on 1–12 December 2008 inPoznań, Poland.[38] Delegates agreed on principles for the financing of a fund to help the poorest nations cope with the effects of climate change and they approved a mechanism to incorporate forest protection into the efforts of the international community to combat climate change.[39]
Negotiations on a successor to the Kyoto Protocol were the primary focus of the conference.
COP 15 took place inCopenhagen,Denmark, on 7–18 December 2009.The overall goal for the COP 15/CMP 5 United Nations Climate Change Conference in Denmark was to establish an ambitious global climate agreement for the period from 2012 when the first commitment period under the Kyoto Protocol expires. However, on 14 November 2009,The New York Times announced that "President Obama and other world leaders have decided to put off the difficult task of reaching a climate change agreement... agreeing instead to make it the mission of the Copenhagen conference to reach a less specific "politically binding" agreement that would punt the most difficult issues into the future".[40] Ministers and officials from 192 countries took part in the Copenhagen meeting and in addition there were participants from a large number of civil society organisations. As many Annex 1 industrialised countries are now reluctant to fulfil commitments under the Kyoto Protocol, a large part of the diplomatic work that lays the foundation for a post-Kyoto agreement was undertaken up to the COP 15.
The conference did not achieve a binding agreement for long-term action. A 12-paragraph 'political accord' was negotiated by approximately 25 parties including US and China, but it was only 'noted' by the COP as it is considered an external document, not negotiated within the UNFCCC process.[41] The accord was notable in that it referred to a collective commitment by developed countries for new and additional resources, including forestry and investments through international institutions, that will approach US$30 billion for the period 2010–2012. Longer-term options on climate financing mentioned in the accord are being discussed within the UN Secretary General'sHigh Level Advisory Group on Climate Financing, which is due to report in November 2010. The negotiations on extending the Kyoto Protocol had unresolved issues as did the negotiations on a framework for long-term cooperative action. The working groups on these tracks to the negotiations are now due to report to COP 16 and CMP 6 in Mexico.
Politicalscientists, creativedesigners andartists like Marc Engelhard were able to participate in the theme-based competition. He raised awareness of the dangers of nuclear energy with a song.[42]
COP 16 was held inCancún, Mexico, from 28 November to 10 December 2010.[43][44]

The outcome of the summit was an agreement adopted by the states' parties that called for the US$100 billion per annum "Green Climate Fund", and a "Climate Technology Centre" and network. However, the funding of the Green Climate Fund was not agreed upon. Nor was a commitment to a second period of the Kyoto Protocol agreed upon, but it was concluded that the base year shall be 1990 and theglobal warming potentials shall be those provided by the IPCC.
All parties "Recognizing that climate change represents an urgent and potentially irreversible threat to human societies and the planet, and thus requires to be urgently addressed by all Parties". It recognises theIPCC Fourth Assessment Report goal of a maximum 2 °C global warming and all parties should take urgent action to meet this goal. It also agreed upon greenhouse gas emissions should peak as soon as possible, but recognising that the time frame for peaking will be longer in developing countries, since social and economic development andpoverty eradication are the first and overriding priorities ofdeveloping countries.
The 2011COP 17 was held inDurban, South Africa, from 28 November to 9 December 2011.[43][45]
The conference agreed to a start negotiations on alegally binding deal comprising all countries, to be adopted in 2015, governing the period post 2020.[46] There was also progress regarding the creation of aGreen Climate Fund (GCF) for which a management framework was adopted. The fund is to distribute US$100 billion per year to help poor countries adapt to climate impacts.[47]
While the COP President,Maite Nkoana-Mashabane, declared it a success,[47] scientists and environmental groups warned that the deal was not sufficient to avoidglobal warming beyond 2 °C as more urgent action is needed.[48]
Qatar hosted COP 18 which took place inDoha, Qatar, from 26 November to 7 December 2012.[49][50]The Conference produced a package of documents collectively titledThe Doha Climate Gateway.[51] The documents collectively contained:
The conference made little progress towards the funding of theGreen Climate Fund.[53]
Russia, Belarus and Ukraine objected at the end of the session,[clarification needed] as they had a right to under the session's rules. In closing the conference, the President said that he would note these objections in his final report.[53]
COP 19 was the 19th yearly session of the Conference of the Parties (COP) to the 1992United Nations Framework Convention on Climate Change (UNFCCC) and the 9th session of the Meeting of the Parties (CMP) to the 1997Kyoto Protocol (the protocol having been developed under the UNFCCC's charter). The conference was held inWarsaw, Poland from 11 to 23 November 2013.[54] The most prominent result was the adoption of the Warsaw Framework for REDD-plus.[55]
The Conference also established the Warsaw International Mechanism (WIM) forLoss and Damage associated with Climate Change Impacts (Loss and Damage Mechanism), to address loss and damage associated with impacts of climate change. This included extreme events and slow onset events, in developing countries that are particularly vulnerable to the adverse effects of climate change.[56]
On 1–12 December 2014,Lima, Peru, hosted the 20th yearly session of the Conference of the Parties (COP) to the 1992United Nations Framework Convention on Climate Change (UNFCCC) and the 10th session of the Meeting of the Parties (CMP) to the 1997 Kyoto Protocol (the protocol having been developed under the UNFCCC's charter). The pre-COP conference was held in Venezuela.[57]

The COP 21 was held inParis from 30 November to 12 December 2015.[3][58] Negotiations resulted in the adoption of theParis Agreement on 12 December, governing climate change reduction measures from 2020. The adoption of this agreement ended the work of the Durban platform, established during COP 17. The agreement entered into force (and thus become fully effective) on 4 November 2016. On 4 October 2016 the threshold for adoption was reached with over 55 countries representing at least 55% of the world's greenhouse gas emissions ratifying the Agreement.[59]

COP 22 was held inMarrakesh, in the North African country of Morocco, on 7–18 November 2016.[60]A focal issue of COP 22 is that ofwater scarcity, water cleanliness, and water-relatedsustainability, a major problem in thedeveloping world, including many African states. Prior to the event a special initiative on water was presided by Charafat Afailal, Morocco's Minister in Charge of Water and Aziz Mekouar, COP 22 Ambassador for Multilateral Negotiations.[61] Another focal issue was the need to reduce greenhouse emissions and utilise low-carbon energy sources.Peter Thomson, President of the UN General Assembly, called for the transformation of the global economy in all sectors to achieve a low emissions global economy.[62][63]

COP 23 was held on 6–17 November 2017. On Friday, 18 November 2016, the end of COP 22, the Chairperson of COP 23 from Fiji announced that it would be held in Bonn,Germany. (COP 23/CMP 13).[58] Fijian Prime Minister and incoming President of COP 23,Frank Bainimarama, on 13 April launched the logo for this year's United Nations Climate Change Conference, to be held atUN Campus, Bonn in November.[64] This conference saw the launch of thePowering Past Coal Alliance.[65]
COP 24 was held on 3–14 December 2018 inKatowice, Poland.[66]
The Polish government's vision for presidency states that the organisation of COP 24 will provide an opportunity for convincing other countries that Poland does not hamper the process of tackling dangerous climate change and that Poland is one of the leaders of this process.[67]
The 25th session of the Conference of the Parties (COP 25) to the UNFCCC was planned to take place from 11 to 22 November 2019 in Brazil. Upon election as President of Brazil,Jair Bolsonaro withdrew Brazil from hosting the event.[68]
COP 25 was then planned to take place in Parque Bicentenario Cerrillos in Santiago de Chile, Chile from 2 to 13 December with a pre-sessional period from 26 November to 1 December 2019 with up to25000 delegates scheduled to attend.[69] However, following the2019 Chilean protests, Chilean PresidentSebastián Piñera announced Chile's withdrawal from hosting the summit in late October 2019.[70] UN Climate Change Executive SecretaryPatricia Espinosa stated that organisers were "exploring alternative hosting options".[71] Then Spain offered, and was appointed, as the new host.[72]
Due to the COVID pandemic, COP 26 was postponed. In June, the regular SBs were also postponed and instead the "June Momentum for Climate Change" took place - which was an online event only. Building on its success and coupled with the global lockdowns, COP 26 was also transformed into an online event only. The meeting was not called a COP, but rather "dialogues".
COP 26 was originally scheduled to take place from 9 to 19 November 2020, inGlasgow, United Kingdom, but was postponed to 31 October to 12 November 2021 due to theCOVID-19 pandemic.[73] Among other things, this conference led to the development of the Accelerating to Zero coalition to accelerate thephase-out of fossil fuel vehicles,[74] and theGlasgow Climate Pact to "phase down" the use ofcoal-fired power stations.[75]
COP 27 was originally expected to take place in November 2021, but was moved to 2022 due to the rescheduling of COP 26 from 2020 to 2021. It took place inSharm El Sheikh, Egypt.[76] It led to an agreement onloss and damage, under which rich countries could compensate poor countries for damage caused by climate change.[77]
COP28[78] took place at Expo City Dubai, in theUnited Arab Emirates,[79] from 30 November to 12 December 2023.[80][81][82]
In advance to the conference, PopeFrancis issued anapostolic exhortation calledLaudate Deum in which he called for brisk action against theclimate crisis and condemnedclimate change denial. At the beginning of November 2023, the Pope announced he would attend the conference and would stay there for three days, but he had to cancel his trip due to health issues.[83][84]
To date, COP 28 has been the largest COP with local organisers stating 100,000 delegates had entered the premises. The UNFCCCstated that 85,000 participants had been registered.Charles III,King of the United Kingdom, gave the opening address at the summit, his first speech on the climate crisis since becoming monarch.[85] United States presidentJoe Biden did not attend, with theGaza war and internal US government spending difficulties being cited as possible causes.[86]Kamala Harris, the Vice President attended instead. Political dignitaries includedSheikh Mohamed bin Zayed – President of the UAE,Emmanuel Macron – President of France,Olaf Scholz – Chancellor of Germany,Fumio Kishida – Prime Minister of Japan,Luiz Inácio Lula da Silva – President of Brazil,Narendra Modi – Prime Minister of India andUrsula von der Leyen – President of the European Commission.Other notable dignitaries includedBill Gates – Philanthropist and Microsoft co-founder,Michael Bloomberg – Former NYC Mayor and climate philanthropist,Larry Fink – CEO ofBlackRock, Dr.Tedros Adhanom Ghebreyesus – WHO Director-General,Rafael Grossi – IAEA Director-General, His Serene HighnessPrince Albert II, Sovereign Prince of the Principality of Monaco, Jordan’sKing Abdullah II,andKing Charles III – United Kingdom.
TheCzech Republic announced it was considering entering a bid to host the conference.[87]Bulgaria also expressed its desire to host COP 29, with PresidentRumen Radev presenting Bulgaria's candidacy to host in 2024.[88]During the Bonn Climate Change meeting in May 2023, Azerbaijan and Armenia also announced their interest in hosting COP 29.The Eastern Europe Group had difficulties in identifying a potential host due to theRussian invasion of Ukraine.[89]
Bulgaria andArmenia dropped their bids to host COP29 leading toAzerbaijan being the sole host bid inBaku.[90] The decision to host COP29 in Azerbaijan was criticised byhuman rights activists and political analysts due toAzerbaijan's human rights abuses and the country's reliance on fossil fuels.[91][92]
The first time this globally significant annual event has been hosted in a post-Soviet country. Also for the first time since theTaliban takeover in 2021, a delegation fromAfghanistan has been invited to the United Nations signature climate conference.[93]
The conference concluded with an agreement on plans for finance tomitigate the effects of climate change and helpdeveloping nations transition to moresustainable energy sources.[94] Rules and a UN registry were agreed to facilitate and record international trading ofcarbon credits.[95]

In 2022, during his statement atCOP 27, president-electLula said he would seek to makeBrazil the host of COP 30 in 2025 and would aim to put the venue in one of the country'sAmazon states (most of them in thenorth region), rather than themore populous coastal region.[96] That would be the first time that Brazil, which is home to 60% of theAmazon rainforest, the world's largest intact forest, hosts the event.[97] On 11 January 2023, President Lula and theMinistry of Foreign Affairs announced the city ofBelém in the state ofPará as the Brazil's candidate host city of the event.[98] On 26 May 2023, it was claimed that a UN Latin America regional group endorsed the city chosen to host the COP 30, a first for a city in theAmazon region.[99][100]
Belém was officially chosen as the COP 30 host during the COP 28 in Dubai on 11 December 2023.[101]
TheWestern European and Others Group were to provide the COP presidency for COP31, with any offers to host it required to be approved by the Group before being presented and approved at COP 30.[102] In the event of failure, hosting would default toBonn in Germany.[103]
In 2022,Australia announced plans to bid to host COP 31 along with itsPacific island neighbours, and discussed this at thePacific Islands Forum.[104][105] The bid had strong public support from other members in the group such as the US, UK, France, Germany, New Zealand,[106] Switzerland, and Canada.[107]Adelaide,South Australia, was chosen as the city to bid for hosting rights.[108] Also in 2022,Turkey's Minister of Environment, Urbanization and Climate Change Murat Kurum declared his country's candidacy to host COP 31.[109]
Australia and Turkey continued to be locked in negotiations about hosting rights until the last days of COP30 in November 2025, which was attended byClimate Change MinisterChris Bowen.[110][111] On 20 November 2025, it was announced that Turkey would be hosting the conference, but with Bowen acting as leader of negotiations, and an event held immediately before COP31 hosted by a Pacific nation.[112][113]
TheAfrican Group of countries will provide the COP presidency. On 5 March 2025, Nigeria announced to the UN climate chiefSimon Stiell its decision to bid to host COP32 inLagos in 2027, highlighting its leadership in climate action and readiness to host the summit.[114]
On the second day of COP 30, it was announced at plenary thatEthiopia had secured the endorsement of the African Group to host the COP in 2027. Ethiopia presentedAddis Ababa's as fit in regards to infrastructure and capacity over Nigeria.[115]
TheAsia and Pacific regional group will provide the COP presidency for COP33. India would like to host COP33.[116]
NGOs wishing to participate in UN Climate Change Conferences as observers must undergo an accreditation process, which consists of several steps.[117] Once an organisation applies for accreditation, they are first vetted. If they are positively assessed and accredited, organisations can then nominate representatives by registering them to attend COPs. Once representatives are registered successfully, they can then be permitted in enter venue premises, participate in the negotiation process and actively engage in conference sessions and discussions.[118]
Organisations must apply before the set deadlines to ensure a proper participation process. For each conference, organisations need to register participants anew and reconfirm their data,. Accredited organisations do not need to repeat the accreditation process, but they must register their representatives for each UNFCCC meeting they wish to attend. The registration process is conducted through the Online Registration System.
Thousands oflobbyists of thefossil fuel industry have attended the UN conferences, in addition to industry lobbyists sent as part of states' official delegations and lobbyists of other industries with vested interests in petrochemicals extraction. More than 5,350 lobbyists representingBig Oil and other fossil fuel industry players have participated over the four annual UN conferences from 2021 to 2024.[119][120]
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