Similar title to Nakicenovic, N. ORCID: https://orcid.org/0000-0001-7176-4604 (2000). Global Greenhouse Gas Emissions Scenarios: Integrated Modeling Approaches. IIASA Research Report (Reprint). IIASA, Laxenburg, Austria: RR-00-019. Reprinted from Technological Forecasting and Social Change, 63:105-109 [2000].