Table 3.

Overview of interviewed key informants.

Type of actor	Organization	Role in organization	Role at COP25	Why selected/ relevance
IGO	UNFCCC	High-level representative	Government support and expert advisor	Extensive expertise on international climate diplomacy and UNFCCC COPs*
IGO	UN ESCAP	High-level representative	Expert advisor, speaker and panelist	Climate and development policy expert, global south perspective (Asia) *
ENGO	Mission 2020	High-level strategy advisor	Advisor and attendee	International climate change policy and diplomacy expert. Extensive experience as a government negotiator at earlier COPs*
RINGO	Western European University	Professor	Attendee, researching COP25	Long-term knowledge and research on international climate diplomacy and UNFCCC COPs*
ENGO	International Institute for Sustainable Development	High-level policy adviser	Side event panelist and host	Global south perspective, in-depth expertise on national adaptation plans, climate justice*
IPO	Southern American Indigenous Peoples Group	Representative	Attendee	Perspective of vulnerable groups, and several years participation in COPs*
IPO	Northern American Indigenous Peoples Group	Priest	Side event panelist	Perspective of vulnerable groups, contribution of tacit and indigenous knowledge*
ENGO	Independent	Artist, Ocean Activist	Attendee	Extensive experience with building action-oriented coalitions*
YOUNGO	YMCA	Youth observer	YOUNGO representative	Climate negotiation experience and overview of youth movement positions*

*All key informants had extensive experience with participating in COPs (3–15 years).

Abbreviations: IGO: Intergovernmental Organizations; NGO: Non-Governmental Organization; BINGO: business and industry NGOs; ENGO: environmental NGOs; LGMA: local government and municipal authorities; IPO: indigenous peoples organizations; RINGO: research and independent NGOs; TUNGO: trade union NGOs; Farmers: farmers and agricultural NGOs; W&G: women and gender NGOs; YOUNGO: youth NGOs.