| Pathways |
| PenAgeing |
| PETRA: The Role of Persistence in Tackling Austria’s Climate Target – Policies for The Transport Sector |
| PHUSICOS |
| Picture Pile Platform |
| Plant-FATE |
| Platform Value Now |
| Pollution Management and Environmental Health (PMEH) |
| Pollution Management in the Hanoi Region (GAINS Vietnam) |
| Population and Climate Change (PCC) |
| Public Adaptation Costs: Investigating the National Adaptation Strategy in Austria (PACINAS) |