Paris Agreement (2015)

Paris Agreement (2015)
Name	Paris Agreement
Date signed	2015-12-12
Location signed	Paris
Condition effective	Ratification by 55 Parties representing at least 55% of global greenhouse gas emissions
Date effective	2016-11-04
Parties	196 Parties to United Nations Framework Convention on Climate Change
Depositor	Secretary-General of the United Nations

Paris Agreement (2015) The Paris Agreement (2015) is a landmark multilateral treaty adopted at the United Nations Climate Change Conference (COP21) in Paris that frames global efforts to limit anthropogenic climate change by reducing greenhouse gas emissions and strengthening resilience to climate impacts. Negotiated under the auspices of the United Nations Framework Convention on Climate Change and concluded amid participation from virtually all sovereign states, the Agreement establishes a structure of nationally determined contributions and cooperative mechanisms involving international organizations, regional blocs, and non-state actors. Major actors during negotiation included delegations from the United States, China, European Union, India, Brazil, and small island states such as Maldives and Tuvalu, alongside inputs from entities like the World Bank, Intergovernmental Panel on Climate Change, and Green Climate Fund.

Background and negotiation

The Agreement emerged from the process of successive Conferences of the Parties to the United Nations Framework Convention on Climate Change following the Kyoto Protocol and efforts at Copenhagen Accord and Durban Platform negotiations. High-profile diplomatic engagements during 2014–2015 involved the United States–China Joint Announcement on Climate Change, bilateral talks between Barack Obama's administration and the European Commission led by Jean-Claude Juncker, and multilateral advocacy by coalitions such as the Alliance of Small Island States, the Least Developed Countries (UNFCCC) group, and the G77 and China. Key conveners included the COP21 Presidency (French Government), the UN Secretary-General, and influential figures from the Intergovernmental Panel on Climate Change and International Energy Agency, while negotiations addressed contentious issues raised by Brazil, India, Russia, South Africa, and Saudi Arabia.

Objectives and key provisions

The Agreement sets the central aim of holding global average temperature rise "well below" 2 °C above pre-industrial levels and pursuing efforts to limit warming to 1.5 °C, anchoring targets around assessments by the Intergovernmental Panel on Climate Change and scenarios from the International Renewable Energy Agency. It establishes nationally determined contributions (NDCs) as the core mechanism for emissions reduction, complemented by provisions on adaptation, loss and damage, finance, technology transfer, and capacity-building involving institutions such as the Green Climate Fund, Global Environment Facility, and Climate Technology Centre and Network. The text includes a long-term goal of achieving greenhouse gas emissions neutrality in the second half of the 21st century, provisions for global stocktakes every five years, and cooperative approaches under Article 6 influenced by market mechanisms seen in schemes like the Clean Development Mechanism.

Implementation and national commitments

Implementation relies on Parties submitting NDCs reflecting mitigation and adaptation actions, with major contributors including the United States, China, European Union, India, Brazil, Indonesia, and Russia submitting diverse instruments from emissions trading proposals to renewable energy targets. National implementation interacts with subnational actors such as the States of the United States of America, the Province of Guangdong, the City of New York, and networks like C40 Cities and We Are Still In, as well as non-governmental organizations including World Resources Institute and WWF International. Parties update NDCs every five years, and national legislation, such as measures by the European Parliament, domestic climate laws in United Kingdom, Germany, and policy frameworks in China and India, translate international commitments into concrete actions.

Finance, technology and capacity-building

The Agreement formalized expectations for financial flows mobilized by developed Parties to support mitigation and adaptation in developing Parties, building on pledges such as the developed countries' goal to mobilize US$100 billion per year and institutions including the Green Climate Fund and the World Bank. Technology transfer mechanisms and the Climate Technology Centre and Network aim to diffuse innovations from entities like Siemens, Ørsted, and Tesla, Inc. to recipient countries including Kenya, Bangladesh, and Vietnam. Capacity-building initiatives engage multilateral development banks such as the Asian Development Bank, African Development Bank, and bilateral partners including Japan and Germany, while finance debates involve actors like OECD and the International Monetary Fund.

Transparency, reporting and compliance

A Transparency Framework requires Parties to report greenhouse gas inventories and progress on NDCs, drawing on methodologies from the Intergovernmental Panel on Climate Change and oversight by UNFCCC technical bodies such as the Subsidiary Body for Scientific and Technological Advice. The Agreement created a facilitative, non-punitive compliance mechanism overseen by a committee, complementing reporting structures used in mechanisms like the Kyoto Protocol compliance system and the UNFCCC Secretariat's biennial assessment processes. Regular global stocktakes assess collective progress and inform policy adjustments by Parties and bodies including the Conference of the Parties and the UN Environment Programme.

Criticism and challenges

Critics from civil society groups such as Greenpeace and Sierra Club, and commentators in outlets like The Guardian and New York Times, argued the Agreement's reliance on self-determined NDCs and absence of legally binding emissions limits constituted a weakness compared with earlier treaties. Negotiators from Saudi Arabia and Russia raised concerns about differentiation and equity, while scholars citing the Intergovernmental Panel on Climate Change highlighted gaps between aggregate NDC ambition and 1.5 °C pathways. Operational challenges include contentious Article 6 rules, mobilization of pledged climate finance, implementation in low-capacity countries like Haiti and Yemen, and geopolitical shifts such as the United States withdrawal from the Paris Agreement (2017) followed by re-entry under United States rejoining of the Paris Agreement (2021).

Impact and developments since 2015

Since adoption, the Agreement catalyzed policy and market responses: acceleration of renewable energy deployment in Germany, China, India, and Spain; net-zero pledges by states including United Kingdom, France, and Canada; corporate commitments by firms like Unilever and IKEA; and financial sector initiatives such as the Task Force on Climate-related Financial Disclosures and the Net-Zero Banking Alliance. Scientific assessments by the Intergovernmental Panel on Climate Change and reports from the UN Environment Programme have tracked persistent gaps between modeled emissions pathways and national pledges, prompting intensified diplomacy at successive COPs including COP24 (Katowice), COP26 (Glasgow), and COP28 (Dubai). Litigation and legislative actions in jurisdictions such as the European Union and United States continue to shape implementation, while global civil society movements like Fridays for Future and organizations such as Extinction Rebellion maintain public pressure for stronger climate action.

Category:International environmental treaties