Table 1 Characteristics of frameworks for feasibility analysis.
From: Perceived feasibility and potential barriers of a net-zero system transition among Japanese experts
Framework | Scenario-based assessment of feasibility | Option-based assessment of feasibility, barriers, and enablers | Broad assessment of feasibility and barriers in a shared context |
Objective | Facilitate global policy discussion informed by scenarios | Facilitate global option-level discussion | Structured debate on the system transition within a jurisdiction or about a system |
Geographical coverage | Global, regional, and national | Global, regional, and national | National or sectoral |
Experts involved | Mostly IAM modelers | Domain experts | Broad-based experts with a shared context (e.g., national or sectoral) |
Method | Multi-dimensional model outputs compared against historical analogies in terms of speed of expansion and decline | Literature review and expert judgment combined with model analysis and historical comparison | Surveys, interviews, and workshops |
References | van Sluisveld et al.21; Brutschin et al.22; Warszawski et al.23, Hyun et al.24. | IPCC14,15; Singh et al.13; Steg et al.16; Jewell & Cherp10; Odenweller et al.20 | This study |
