Support for the development of CRI v2 from the following sources is gratefully acknowledged:
- UK Natural Environment Research Council (NERC), through NCAS studentship grant NER/S/R/2004/13091, project grant NE/D001846/1 and fellowship grant NE/D008794/1.
- Defra AQIP as part of the "Modelling Tropospheric Ozone" project.
Support for the development of CRI v2.2 from the following sources is gratefully acknowledged:
- UK Natural Environment Research Council (NERC) via grant NE/M013448/1.
- UK National Centre for Atmospheric Science (NCAS) Air Quality Science Programme.
- The Swedish strategic research area ModElling the Regional and Global Earth system (MERGE), supported by the Swedish Formas grant 942-2015-1537 and the Swedish Research Council (grant number 2014-5332).