Värriö participates in many international projects on research infrastructure:
ICOS (Integrated Carbon Observation System)
ACTRIS (European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases)
eLTER (European Network of Long-Term Ecosystem Research)
INTERACT (International Network for Terrestrial Research and Monitoring in the Arctic)
PEEX (Pan-Eurasian Experiment)