Climate change is the single greatest threat to the livelihood, security and well-being of Pacific Small Island Developing States (SIDS). The threat is increasing at a time when the region is already facing complex geopolitical dynamics and multifaceted security risks.
This side event will advance this debate, including around policy solutions, through the launch of the report Climate and Security in Latin America and the Caribbean, a partnership between two Brazil-based organizations: Igarapé Institute and Institute for Climate and Society (ICS).

Meaningful engagement with the social and conflict implications of climate change in Solomon Islands must be firmly grounded within local worldviews—within Solomon Islanders’ physical, economic, political, and social and spiritual worlds. As we note in a recent policy brief for the Toda Peace Institute, when addressing conflict challenges exacerbated or caused by climate change, approaches should be drawn upon community understandings of what constitutes peace and justice.
Colombia’s long-standing internal conflict and the country’s contribution to climate change share one common root cause: land concentration. Policies to strengthen access to land and to ensure sustainable land use might therefore hold the key to promoting peacebuilding in Colombia, while simultaneously reducing emissions.
At the conclusion of the 50th Pacific Islands Forum, Pacific leaders issued a Forum Communiqué and the ‘Kainaki II Declaration for Urgent Climate Change Action Now’ – the strongest collective statement the Forum has issued on climate change. Pacific leaders highlight the UN Secretary-General’s Climate Action Summit, the SAMOA Pathway Review, and 25th session of the Conference of the Parties (COP 25) to the UNFCCC as “global turning points to ensure meaningful, measurable and effective climate change action”.
If ratified, the Mercosur-EU trade deal may reinforce the parties’ commitment to climate action. Yet, its potential relevance is weakened by a language that often stops short of concrete commitments, as well as political resistance.
To fight illegal coca plantations and conflict actors’ income sources, Colombia’s president wants to loosen the ban on aerial glyphosate spraying. However, considering the dynamics of organised crime, the use of toxic herbicides will not only fail to achieve its aim, it will have many adverse effects for the environment and human health, fundamentally undermining ways to reach peace in the country. International cooperation and national policy-makers need to account for this peace spoiler.
As the debate over climate-related security risks grows, many Pacific Island States are calling for more action by the international community to better address the links between climate change and global security. In an interview with adelphi, the former President of Nauru, Baron Waqa, highlights some of these calls as well as the challenges in getting the climate-security issue on the UN’s agenda.
Costs, emissions and safety are at stake as Argentina and China look set to seal a nuclear power deal. In the midst of economic and political uncertainty, Argentina has doubled down on a major Chinese nuclear power deal. The new nuclear plant in Buenos Aires province will help meet Argentina’s energy needs with the support of Chinese technology and finance.
Brazil has demoted climate diplomacy as part of a foreign ministry shake-up, in Jair Bolsonaro’s first two weeks as president.
In some areas of the world, including Central America, rising sea levels and declining agricultural productivity due to climate change are expected to trigger major migratory flows, especially within countries. The role of policy-makers is it to promote local solutions while engaging in regional cooperation for a preventative approach.
The so-called Vulnerable Twenty (V20) Group was established in October 2015 with the inaugural meeting of the V20 Ministers of Finance at the Climate Vulnerable Forum in Lima, Peru. The V20 can be considered as an example of the importance of early action in the field of adaptation in order to initiate a transformative change towards resilient societies.
In order to help address escalating violence, UN Environment has launched the UN Initiative for Environmental Defenders. This brief analyses the initiative and looks into how member states can support peace by engaging in environmental diplomacy, with a focus on Brazil.