PRRI has attended as an observer all the Conferences of the Parties to the Biodiversity Convention since 2006:
- COP 8 – Curitiba, Brazil, 20 – 31 Lub peb hlis ntuj 2006
- COP 9 – Bonn, Lub teb chaws Yelemees, 19 – 30 Tej zaum 2008
- COP 10 – Nagoya, Nyiv, 18 – 29 Lub kaum hli ntuj 2010
- COP 11 – Hyderabad, Is Nrias teb, 8 – 19 Lub kaum hli ntuj 2012
- COP 12 – Pyeongchang, Koom pheej Kauslim Teb, 6 – 17 Lub kaum hli ntuj 2014