| IIASA-JRC Centre of Expertise on Population and Migration (CEPAM) |
| ILUC-HCS |
| IMBALANCE-P |
| Improving Earth Observation Methodology (EGIDA) |
| Improving Forest Governance through Independent Monitoring in the Democratic Republic of Congo (ForestGovDRC) |
| Improving Landslide Risk Responses (SafeLand) |
| Insurance for Adaptation (InsAdapt) |
| Insurance for nature - nature for insurance (NATURANCE) |
| Integrated Assessment Modelling for negotiations under the Convention on Long-range Transboundary Air Pollution (LRTAP) |
| Integrated Future Wildfire Hot Spot Mapping for Austria (Austria Fire Futures ) |
| Integrated modeling for robust management of food-energy-water-land use nexus security and sustainable development |
| Integrating renewable electricity systems with the biomass conversion sector: a focus on extreme meteorological events (FORMAS LTD) |
| Integration of Geo-Wiki and LACOVAL (LACO-Wiki) |
| ISIPEDIA |