AOSIS (Alliance of Small Island States):

- A coalition of 44 small island and low-lying coastal developing countries that are particularly vulnerable to the adverse effects of climate change.

- Their primary focus is advocating for ambitious climate action and securing international support to address the specific challenges faced by small island nations.

ALBA (Bolivarian Alliance for the Peoples of Our America):

- A political, economic, and social integration organization established in 2004 by Venezuela and Cuba.

- It includes several Latin American and Caribbean countries that share a commitment to regional integration, social justice, and alternative models of development.

- ALBA's involvement in climate talks often aligns with its focus on promoting sovereignty, regional cooperation, and challenging global inequalities, including those related to climate change impacts.