2026 Keywan Riahi: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	119	128	120	3	3	411	118111
Biology and Biochemistry	100	1479	1329	9	9	240	99322

Research.com Recognitions

2026 - Research.com Biology and Biochemistry in Austria Leader Award
2026 - Research.com Environmental Sciences in Austria Leader Award
2025 - Research.com Environmental Sciences in Austria Leader Award
2023 - Research.com Biology and Biochemistry in Austria Leader Award
2023 - Research.com Environmental Sciences in Austria Leader Award
2022 - Research.com Biology and Biochemistry in Austria Leader Award
2022 - Research.com Environmental Sciences in Austria Leader Award

Overview

Keywan Riahi is affiliated with the International Institute for Applied Systems Analysis in Austria. Their research primarily spans the field of Environmental Science, with a focus on various subfields including Economics and Econometrics, Global and Planetary Change, Environmental Engineering, Mechanical Engineering, and Renewable Energy, Sustainability and the Environment.

The scientist's work covers a range of topics, notably Climate Change Policy and Economics, Atmospheric and Environmental Gas Dynamics, Environmental Impact and Sustainability, Carbon Dioxide Capture Technologies, Energy and Environment Impacts, Energy, Environment, and Transportation Policies, and Water-Energy-Food Nexus Studies.

Riahi has contributed to multiple publication venues, with frequent appearances in:

Zenodo (CERN European Organization for Nuclear Research)
Nature Climate Change
IIASA PURE (International Institute of Applied Systems Analysis)
Environmental Research Letters
Nature Communications

Notable recent papers by Keywan Riahi include:

Harmonization of global land use change and management for the period 850-2100 (LUH2) for CMIP6, 2020, Geoscientific model development
Climate model projections from the Scenario Model Intercomparison Project (ScenarioMIP) of CMIP6, 2021, Earth System Dynamics
Achievements and needs for the climate change scenario framework, 2020, Nature Climate Change
Taking stock of national climate policies to evaluate implementation of the Paris Agreement, 2020, Nature Communications
Author Correction: Implications of intercontinental renewable electricity trade for energy systems and emissions, 2023, Nature Energy

Among frequent co-authors are Volker Krey, Bas van Ruijven, Detlef P. van Vuuren, Edward Byers, and Oliver Fricko, reflecting collaborations across multiple projects related to environmental and climate research.

Keywan Riahi has also contributed to book publications with the International Institute for Applied Systems Analysis, including the work titled Methodologies and Tools for Integrated Systems Modelling published in 2020.

Best Publications

The representative concentration pathways: an overview

Detlef P. van Vuuren;Detlef P. van Vuuren;Jae Edmonds;Mikiko Kainuma;Keywan Riahi

8888
Citations
Special report on emissions scenarios : a special report of Working group III of the Intergovernmental Panel on Climate Change

N. Nakicenovic;J. Alcamo;G. Davis;B. de Vries

8625
Citations
Special report on emissions scenarios

Nebojsa Nakicenovic;Joseph Alcamo;Gerald Davis;Bert de Vries

7892
Citations
The next generation of scenarios for climate change research and assessment

Richard H. Moss;Jae A. Edmonds;Kathy A. Hibbard;Martin R. Manning

7781
Citations
The Shared Socioeconomic Pathways and their energy, land use, and greenhouse gas emissions implications: An overview

Keywan Riahi;Detlef P. van Vuuren;Elmar Kriegler;Jae Edmonds

6201
Citations
Climate Change 2007 Synthesis report

Lenny Bernstein;Peter Bosch;Osvaldo Canziani;Zhenlin Chen

5331
Citations
The Scenario Model Intercomparison Project (ScenarioMIP) for CMIP6

Brian C. O'Neill;Claudia Tebaldi;Detlef P. Van Vuuren;Detlef P. Van Vuuren;Veronika Eyring

4323
Citations
The RCP greenhouse gas concentrations and their extensions from 1765 to 2300

Malte Meinshausen;Malte Meinshausen;S. J. Smith;K. Calvin;J. S. Daniel

4200
Citations
Paris Agreement climate proposals need a boost to keep warming well below 2 °C

Joeri Rogelj;Joeri Rogelj;Michel den Elzen;Niklas Höhne;Taryn Fransen

3792
Citations
The roads ahead: Narratives for shared socioeconomic pathways describing world futures in the 21st century

Brian C. O'Neill;Elmar Kriegler;Kristie L. Ebi;Eric Kemp-Benedict

3314
Citations
RCP 8.5—A scenario of comparatively high greenhouse gas emissions

Keywan Riahi;Shilpa Rao;Volker Krey;Cheolhung Cho

3200
Citations
A new scenario framework for climate change research: the concept of shared socioeconomic pathways

Brian C. O’Neill;Elmar Kriegler;Keywan Riahi;Kristie Lee Ebi

2892
Citations
Historical (1850–2000) gridded anthropogenic and biomass burning emissions of reactive gases and aerosols: methodology and application

J.-F. Lamarque;T. C. Bond;V. Eyring;Claire Granier;Claire Granier;Claire Granier

2312
Citations
IPCC, 2007: Climate Change 2007: Synthesis Report

L. Bernstein;P. Bosch;O. Canziani;Z. Chen

1732
Citations
Scenarios of long-term socio-economic and environmental development under climate stabilization

Keywan Riahi;Arnulf Grübler;Arnulf Grübler;Nebojsa Nakicenovic

1520
Citations
Harmonization of land-use scenarios for the period 1500–2100: 600 years of global gridded annual land-use transitions, wood harvest, and resulting secondary lands

G. C. Hurtt;G. C. Hurtt;L. P. Chini;S. Frolking;R. A. Betts

1400
Citations
Scenarios towards limiting global mean temperature increase below 1.5 °C

Joeri Rogelj;Joeri Rogelj;Alexander Popp;Katherine V. Calvin;Gunnar Luderer

1313
Citations
The hydrogen economy in the 21st century: a sustainable development scenario

L Barreto;A Makihira;A Makihira;K Riahi

1251
Citations
A low energy demand scenario for meeting the 1.5 °c target and sustainable development goals without negative emission technologies

Arnulf Grubler;Charlie Wilson;Charlie Wilson;Nuno Bento;Nuno Bento;Benigna Boza-Kiss

1200
Citations
Energy system transformations for limiting end-of-century warming to below 1.5 °C

Joeri Rogelj;Joeri Rogelj;Gunnar Luderer;Robert C. Pietzcker;Elmar Kriegler

1112
Citations
Thenextgenerationofscenariosforclimate change research and assessment

RichardH . Moss;Timothy R. Carter;Seita Emori;Mikiko Kainuma

1
Citations

Frequent Co-Authors

Detlef P. van Vuuren Utrecht University

Volker Krey International Institute for Applied Systems Analysis

Joeri Rogelj Imperial College London

David L. McCollum Oak Ridge National Laboratory

Elmar Kriegler Potsdam Institute for Climate Impact Research

Nebojsa Nakicenovic International Institute for Applied Systems Analysis

Shinichiro Fujimori Kyoto University

Massimo Tavoni Polytechnic University of Milan

Malte Meinshausen University of Melbourne

Arnulf Grubler International Institute for Applied Systems Analysis

External Links

Personal website of Keywan Riahi Google Scholar page

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