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In political ecology and environmental policy, climate governance is the diplomacy, mechanisms and response measures "aimed at steering social systems towards preventing, mitigating or adapting to the risks posed by climate change". A definitive interpretation is complicated by the wide range of political and social science traditions (including comparative politics, political economy and multilevel governance) that are engaged in conceiving and analysing climate governance at different levels and across different arenas. In academia, climate governance has become the concern of geographers, anthropologists, economists and business studies scholars.
Climate governance – that is, effective management of the global climate system – is thus of vital importance. However, building effective collective mechanisms to govern impacts on the climate system at the planetary level presents particular challenges, e.g. the complexity of the relevant science and the progressive refinement of scientific knowledge about our global climate and planetary systems, and the challenge of communicating this knowledge to the general public and to policy makers. There is also the urgency of addressing this issue; the Intergovernmental Panel on Climate Change (IPCC) has underlined that the international community has a narrow window of opportunity to act to keep global temperature rise at safe levels. Modern international climate governance is organized around three pillars: mitigation, adaptation and means of implementation. Under each pillar are many issues and policies, illustrating the many ways climate change affects society.
In the first decade of the 21st century, a paradox had arisen between rising awareness about the causes and consequences of climate change and an increasing concern that the issues that surround it represent an intractable problem. Initially, climate change was approached as a global issue, and climate governance sought to address it on the international stage. This took the form of Multilateral Environmental Agreements (MEAs), beginning with the United Nations Framework Convention on Climate Change (UNFCCC) in 1992. With the exception of the Kyoto Protocol, international agreements between nations had been largely ineffective in achieving legally binding emissions cuts. With the end of the Kyoto Protocol's first commitment period in 2012, between 2013 and 2015 there was no legally binding global climate regime. This inertia on the international political stage contributed to alternative political narratives that called for more flexible, cost effective and participatory approaches to addressing the multifarious problems of climate change. These narratives relate to the increasing diversity of methods that are being developed and deployed across the field of climate governance.
In 2015, the Paris Agreement was signed, which is a legally binding international treaty on climate change. Its goal is to limit global warming to "well below 2", and preferably 1.5 degrees Celsius above preindustrial levels, and to achieve this goal, countries agree to peak greenhouse gas emissions as soon as possible to achieve a climate-neutral world by mid-century. It commits all nations of the world to achieving a "balance between anthropogenic emissions by sources and removals of greenhouse gases in the second half of this century." The Paris Agreement marked a new era for global energy and climate policies. Under its framework, each country submits its own nationally determined contribution (NDC) based on its particular situation. Though the Paris Agreement is legally binding, as an extension to the UNFCCC, the NDCs are not legally binding. This was because a legally binding treaty would have required ratification by the United States Senate, which was not supportive.
|1979||1st World Climate Conference (Organised by World Meteorological Organization)|
|1990||1) 1st IPCC report says world has been warming and future warming likely
2) 2nd World Climate Conference
|1992||United Nations Framework Convention on Climate Change (UNFCCC) signed by 154 nations at Rio conference|
|1993||Cities for Climate Protection Program launched|
|1995||2nd IPCC report detects "signature" of human-caused greenhouse effect warming, declares serious warming is likely in coming century|
|1997||1) Kyoto Protocol agreed. Binds 38 industrialised countries to reduce GHG emissions by an average of 5.2% below 1990 levels between 2008 and 2012.|
|2001||1) 3rd IPCC report states global warming, unprecedented since end of last ice age, is "very likely", with possible severe surprises. Effective end of debate among all but few scientists
2) United States announces is to withdraw from Kyoto Protocol
|2002||1) ASEAN Agreement on Transboundary Haze Pollution
2) EC approves Kyoto Protocol, committing its member states to 5% reduction in anthropogenic emissions of GHG
|2005||1) Kyoto Treaty goes into effect, signed by all major industrial nations except US
2) The Large Cities Climate Leadership Group, also known as C40 Cities (and originally as the C20 Cities) founded
|2007||1) 4th IPCC report warns serious effects of warming have become evident|
|2009||1) Copenhagen Accord drafted at 15th Session of the conference of Parties. Conspicuous for absence of legally binding successor to Kyoto Protocol. Accord is voluntary & non legally binding
2) 3rd World Climate Conference (WCC-3)
|2012||Kyoto Protocol no longer legally binding but its continuation endorsed by Copenhagen Accord|
|2015||Paris Agreement is signed, committing nations to a carbon-neutral future.|
|2017||Powering Past Coal Alliance is launched, committing member states to phase out the use of unabated coal for electricity.|
|2021||Glasgow Climate Pact is signed, committing all nations to "phase down" the use of coal. The number of countries with net zero commitments increased to 140, including 90% of current emissions.|
The development of climate governance can be traced firstly to climate diplomacy between inter-state actors and secondly to the development of transnational networks and non-state actors. The timeline above highlights key points throughout this process. The point of creation is difficult to determine exactly, however a definitive point in its history is the 1992 United Nations Framework Convention on Climate Change (UNFCCC) in Rio. This has been termed "the first major milestone in the history of climate diplomacy". The conference addressed nations from across the globe and sought to emulate the diplomatic success of the Montreal Protocol in phasing out ozone-depleting chemicals.
As climate governance has continued to develop on the international stage, a string of transnational public and public-private actor networks have sought to implement its aims within their own arena, for example the C40, the Global Cities Covenant on Climate (also known as the Mexico City Pact), and the Cities for Climate Protection Programme (CCPP). The United Nations Conference on Environment and Development (UNFCED) in 1992 was a 'trigger' for this process. Existing regional and local networks adopted its emissions reduction targets and began to consider how they could be achieved at a local level. An example is ICLEI – Local Governments for Sustainability that adopted the convention's Framework Convention on Climate Change (UNFCCC) as part of its commitment to link local action to internationally agreed-upon goals. Under the umbrella of internationally agreed climate targets, innovative climate governance methods have also developed that seek to reduce emissions using market based mechanisms, for example the 'cap and trade' mechanism. Other transnational networks include the Powering Past Coal Alliance, aimed at phasing out the use of coal for electricity, and the Under2 Coalition, aimed at fostering action to reduce emissions at the subnational level.
Thus, while the interstate process of treaty making continues to play a key part in mitigating anthropogenic climate change, it now exists as part of a wider tapestry of private and public climate governance initiatives that operate at multiple scales.
The North–South divide is a socioeconomic and political division. Applied to climate governance, the divide separates 'developed' northern countries that have historically emitted disproportionately high emissions from 'undeveloped' southern countries that have emitted considerably less emissions. This historic divide is the reason for the concept of Common But Differentiated Responsibilities in the UNFCCC. The divide has also been used to highlight differences in vulnerability to climate change (the global south is considered more vulnerable due to a higher incident of natural disasters, less developed infrastructure and less wealth). These divides have fed into all issues of international climate governance, bringing with them questions of social justice and equity that remain current today. A criticism of the divide is that it simplifies an increasingly complex landscape. In recent years, international trade, free capital flows and the development of some southern nations (for example China and India) have redefined global socio-economic and political relations.
Climate governance has been identified as multi-scale, multi-actor and deeply embedded in our social and physical infrastructure:
Particular scientific and technical practices shape and inform our understanding of climate change and in doing so define how environmental problems are defined as objects of governance. For example, recent advances in carbon cycle research, remote sensing and carbon accounting techniques have revealed that tropical deforestation accounts for 15% of global carbon dioxide emissions. As a result, it has become a viable concern of climate governance. Previous to its quantification, tropical deforestation had been expressly excluded from the Kyoto Protocol. However, the translation of scientific or policy research findings into governance through the political process remains difficult as science and politics have very different ways of dealing with the issue of uncertainty that is naturally a component of research
Community engagement plays an important role in the implementation of climate governance policy. There are two main reasons for this. First, where climate governance necessitates change at a behavioural level, there is a need to educate the public in order to achieve this (for example reducing car travel). Where successful, this offers the possibility that communities can become self governing, for example choosing to drive less. Second, effective community engagement ensures that climate governance policies are relevant to the communities in which they are intended to be applied. This necessitates a process of "bottom up learning", as ideas are passed up from a local to national level. This approach has been identified as the normative framework of "learning organisations" and popular within environmental organisations that seek to encourage grassroots development 
The history of climate governance has seen increasing emphasis placed on market based solutions, or "flexibility mechanisms". This is a development that complements, rather than replaces traditional "command and control" regulation. The decision to favour market mechanisms has been identified as inevitable given the growth in popularity of neoliberalism over the past two decades. Thus, targets set at international climate governance conventions have been achieved through the application of markets (for example the EU-ETS), public-private partnerships (for example "type II partnerships") and the self-regulation of industry (for example the Global Gas Flaring Reduction Partnership).
Significantly, the Kyoto Protocol offers participating countries three market based mechanisms as means to meeting their binding emissions reduction targets. These are 'emissions trading' (known as "the carbon market"), 'the clean development mechanism' (CDM) and 'joint implementation' (JI). The three Kyoto market mechanisms have been identified as forms of carbon market governance, a market based form of climate governance. Carbon market governance allows carbon emissions in one place to be exchanged with emissions reductions in another. It relies on measuring, monitoring and verification techniques to commensurate carbon, allowing seemingly disparate activities to appear on the same balance sheet.
The largest working example of carbon market governance to date is the EU-ETS. It is a multinational emissions trading scheme. Advocates of this mechanism cite its focus on improving efficiency, reducing carbon where it is most cost efficient to do so. Its critics identify that it has so far allowed participating industries to profit from excess carbon credits while having little or no effect on their carbon emissions.
The view of climate governance stakeholders that climate action was a costly burden has somehow changed in recent years: According to the Global Commission on the Economy and Climate, up to 90% of the actions required to get onto a 2 °C pathway would be compatible with the goals of boosting national development, equitable growth and broadly shared improvements in living standards. Three phenomena are behind this cost-benefit analysis: First, "negative cost abatement" means that curbing emissions reduces overall costs (e.g. energy savings). Second, economies of scale and learning-by-doing innovation potentially lead to falling costs over time. Third, so-called "co-benefits" such as health benefits through less air pollution or livelihood security through land restoration can be beneficial for individual countries.
In addition to the efforts of nation-states to coordinate internationally on matters of climate governance, nation-states, non-state actors and private actors are becoming increasingly involved in multiple parallel climate governance partnerships on a global scale. These actors include cities, regions, NGOs and corporations. Their increasingly prominent involvement has led scholars to reassess the nature of power in climate governance as well as the relationship between public and private authority 
To distinguish between types of climate governance networks currently in existence, it is useful to separate components into sub-categories. Studies into climate governance have distinguished between modes of governance (self-governing, governing through enabling, governing by provision and governing by authority), types of actors and political scale of governance. For the purpose of this section they are separated according to the type of actors involved – "public climate governance partnerships", "public-private climate governance" partnerships and "private climate governance partnerships". "Modes of governance" and "scale" (e.g. supranational, national, regional, and local) represent equally viable alternatives to this categorisation. While none of these approaches are definitive (each approach exhibits overlaps), defining partnerships according to participating actor is here considered to draw the clearer distinction.
A relatively new approach to governing climate impacts upon social systems is to use the flexible technique of adaptive governance, introduced by Holling in 1978 as opposed to the more mitigation-focused approaches which have generally dominated efforts thus far. Adaptive governance "refers to the ways in which institutional arrangements evolve to satisfy the needs and desires of the community in a changing environment".
Several theorists believe that it is within a society's capacity to adapt to the gradual climate changes we are experiencing currently, and those felt in the future. Therefore, utilizing adaptive governance is perhaps the ideal solution as its experimental approach allows newly created institutions to "experiment with different solutions and learn from them in order to adapt and transform". The role of these institutions is to then formulate policies to strengthen the resilience between complex climate and social systems, and therefore the system's ability to adapt and remain stable in the face of climate changes in the future.
In addition, institutions encourage communication between different levels of power (local, regional, national and international) to govern resources, whilst also engaging a broad set of stakeholders e.g. NGOs and the public. Therefore, the approach takes a predominantly "bottom up" strategy, focusing on community-based actions. In terms of climate change this provides an alternative to the "top down" IPCC proceedings and world negotiations, which many perceive as having no effect in addressing climate issues.
Adaptive governance has been successfully implemented in a number of local society's around the world in building their ability to adapt to climate change associated impacts such as extreme weather and altering plant biodiversities. Success has mainly been attributed to the fact that through adaptive governance, the social impact is dealt with locally to achieve a more effective result whilst still allowing communication to flow between low to high levels of command. For example, Brunner & Lynch in 2010 studied how the Barrow community in Alaska successfully communicated with local and regional governments to develop adaptive strategies for minimizing extreme weather impacts.
Several limitations have arisen when applying the adaptive governance strategy to climate governance. Firstly, when applied at local level, adaptive governance is evidently successful; however, Evans (2011) found problems when applying such techniques over a large scale. For example, the technique could have limited success when adapting to a national or international problem as the system may become too complex. A further weakness highlighted by Ostrom in 2007 is that many adaptive governance systems have been implemented to build resilience to gradual changes but anthropogenic climate change could cause rapid alterations and so challenge the robustness of the whole governance system. Finally, using this experimental approach for such a precarious and influential system as our climate has been considered too risky, especially as Earth is potentially nearing the 2 degree global warming tipping point.
Even with these limitations, adaptive governance is evidently a successful strategy at local scale in addressing unique climate change impacts on social systems. Therefore, the idea of focusing on and monitoring localized problems to achieve a global goal may well be highly influential as the impacts of climate change become increasingly widespread and complex.
It is said with some imprecision by some popular observers[vague] that the core commitments of the Kyoto Protocol expire in 2012. More precisely, the first commitment period for Annex B Parties (commonly known as Annex 1 Parties) to the Kyoto Protocol run from 2008 to 2012 inclusive, with a carbon accounting truing up period that may run for some time after 2012. The other obligations of parties to the Kyoto Protocol are not time limited in the way that the First Commitment Period QELEROs of Annex B Parties are. While the more recent Copenhagen Accord endorses these commitments, it does not commit signatory countries to agree on a binding successor. Future global consensus will require the respective roles of developed and developing countries to be determined according to their relative responsibilities and capabilities. Furthermore, all participating countries will need to agree that resultant legal architecture is fair and therefore acceptable. A key limitation in achieving this is the refusal of the United States to commit to legally binding negotiations. The re-engagement of the United States in this field has been cited as a potential future "trigger" that could lead to multilateral legally binding emissions reductions in GHG emissions.
Movement at a national level could also stimulate multilateral negotiations as some countries look set to press ahead with legally binding emissions cuts. On 17 May 2011, the UK Government introduced the Fourth Carbon Budget which aims to "set an ambitious target in law to reduce greenhouse gas emissions ... and build momentum toward a legally global climate change deal".
In the absence of a multilateral emissions reduction agreement, the future direction of climate governance remains uncertain. Supranational and national legislation could legislate the continuation of market based emissions reduction mechanisms, for example the EU-ETS. The increased agency of non-state actors in the realm of global governance and the growth of public and public-private networks offer the potential for the global climate arena to develop at a sub-national level. Recent attempts to 'territorialise' the carbon cycle seek to frame climate change as a local rather than global problem by rearticulating the global carbon cycle as a combination of national 'sinks'.
An emerging research direction is focusing on the institutional accountabilities and capability for change involved in effective global climate governance, from a perspective of individual organisations involved, as well as systemic responsiveness to people most affected by climate change
In 2019 the World Economic Forum published its Guiding Principles and Questions to help corporate directors to challenge their boards around climate governance. This was prompted by the prompted by the Paris Agreement, the emergence of climate-related legislation, the recommendations of the Financial Stability Board's Task Force on Climate-Related Financial Disclosures (TCFD) and, most recently, the heightened awareness of physical impacts and risks detailed in the Special Report of the Intergovernmental Panel on Climate Change (IPCC) on Global Warming 1.5 °C.
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