There is no doubt that the discourse around climate change has matured over the years and has become one of the central features of international relations. We all know of the international legal regime that has developed to deal with climate change, starting from the United Nations Framework Convention on Climate ChangeFootnote 1 and finishing with the Paris Agreement.Footnote 2 Climate change is also either at the core or on the fringes of many other international debates, from international securityFootnote 3 to international economic relations.Footnote 4 In 2018, the Intergovernmental Panel on Climate Change released a (yet again) stark warning alerting to the risks of not moving towards a 1.5 degrees goal,Footnote 5 rather than a 2.0 degrees as the Paris Agreement seems to be suggesting. The truth is that the trend countries are moving toward with their pledges in their nationally determined contributions is not going to meet the 2.0 objective, let alone the 1.5 degrees objective.Footnote 6 Against this background, it is not surprising that sectors of society interested in pursuing stronger climate change policies have explored multiple governance routes to take forward their agenda. This has led to the emergence of a polycentric and multilevel governance in the field of climate change.Footnote 7 It is within this greater picture that climate change litigation has become a key facet in the fight against climate change.Footnote 8
Any discussion on climate change litigation in 2020 needs to be framed in the context of three important overriding themes: the political and legal consequences of declaring a global climate emergency; questions about the future legitimacy of the Paris Agreement as a meaningful driver of global climate action; and whether countries will include climate action in post-COVID-19 economic recovery actions. First, over the past few years climate change terminology has changed and a lot of it is due to the youth climate movement. We do not talk of climate change, but of climate emergency and climate breakdown.Footnote 9 These are not just media snippets, but also the object of political declarations of cities and communities worldwide. The extent to which this change of terminology is meaningful from a legal perspective and from a climate litigation perspective is yet to be seen.
Second, the Paris Agreement has been hailed as a hallmark of international cooperation over climate change when it was agreed back in 2015.Footnote 10 The extent to which the Paris Agreement is still considered the gold standard of climate multilateralism after COP25 in Madrid is an open question.Footnote 11 It is important that COP26 in Glasgow brings back the lost momentum. The relationship between international and domestic climate change litigation and the international climate change legal regime is an important facet of the climate change litigation debate.Footnote 12
Third, 2020 will be remembered as the COVID-19 year. Many countries are developing post-COVID-19 recovery packages, some of which have strong green credentials.Footnote 13 Global civil society will scrutinize whether the climate promises present in such recovery packages will be met. The extent to which litigation can be used successfully to keep countries accountable to their post-COVID-19 promises will be an interesting facet of climate litigation in the near future.
Against this overall background, I asked the panelists to consider the impact different legal systems have on the outcomes of climate litigation and to elaborate on the conditions needed for climate litigation to serve as an effective tool in strengthening climate governance and provide pathways to positive climate action. My own conclusion is that “the world is open to climate change litigation.” Climate-change-related court decisions come in many languages from many jurisdictions and this is an opportunity—a richness—that we should all embrace as we come together to advance climate change litigation and continue to move the levers of the complex global system of climate change governance.Footnote 14