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1. Feasibility of peak temperature targets in light of institutional constraints

Author

Bertram, Christoph, Brutschin, Elina, Drouet, Laurent, Luderer, Gunnar, van Ruijven, Bas, Aleluia Reis, Lara, Baptista, Luiz Bernardo, de Boer, Harmen-Sytze, Cui, Ryna, Daioglou, Vassilis, Fosse, Florian, Fragkiadakis, Dimitris, Fricko, Oliver, Fujimori, Shinichiro, Hultman, Nate, Iyer, Gokul, Keramidas, Kimon, Krey, Volker, Kriegler, Elmar, Lamboll, Robin D., Mandaroux, Rahel, Rochedo, Pedro, Rogelj, Joeri, Schaeffer, Roberto, Silva, Diego, Tagomori, Isabela, van Vuuren, Detlef, Vrontisi, Zoi, and Riahi, Keywan

Published
2024
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4. International shipping in a world below 2 °C

Author

Müller-Casseres, Eduardo, Leblanc, Florian, van den Berg, Maarten, Fragkos, Panagiotis, Dessens, Olivier, Naghash, Hesam, Draeger, Rebecca, Le Gallic, Thomas, Tagomori, Isabela S., Tsiropoulos, Ioannis, Emmerling, Johannes, Baptista, Luiz Bernardo, van Vuuren, Detlef P., Giannousakis, Anastasis, Drouet, Laurent, Portugal-Pereira, Joana, de Boer, Harmen-Sytze, Tsanakas, Nikolaos, Rochedo, Pedro R. R., Szklo, Alexandre, and Schaeffer, Roberto

Published
2024
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5. Author Correction: Feasibility of peak temperature targets in light of institutional constraints

Author

Bertram, Christoph, Brutschin, Elina, Drouet, Laurent, Luderer, Gunnar, van Ruijven, Bas, Aleluia Reis, Lara, Baptista, Luiz Bernardo, de Boer, Harmen-Sytze, Cui, Ryna, Daioglou, Vassilis, Fosse, Florian, Fragkiadakis, Dimitris, Fricko, Oliver, Fujimori, Shinichiro, Hultman, Nate, Iyer, Gokul, Keramidas, Kimon, Krey, Volker, Kriegler, Elmar, Lamboll, Robin D., Mandaroux, Rahel, Rochedo, Pedro, Rogelj, Joeri, Schaeffer, Roberto, Silva, Diego, Tagomori, Isabela, van Vuuren, Detlef, Vrontisi, Zoi, and Riahi, Keywan

Published
2025
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15. Uma Nova Infraestrutura para a Amazônia

Author

Schaeffer, Roberto, primary, Barrantes, Roxana, additional, Klautau, Aldebaro, additional, Malky, Alfonso, additional, Oliveira Fiorini, Ana Carolina, additional, Durán Calisto, Ana María, additional, Abelem, Antonio, additional, Simmons, Cynthia, additional, Chermont, Larissa, additional, Okamura, Marcos, additional, Arteaga, Marliz, additional, Heredia Flores, Oriana Lucía, additional, Delgado, Ricardo, additional, and Soria, Rafael, additional

Published
2023
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16. Una Nueva Infraestructura para la Amazonía

Author

Schaeffer, Roberto, primary, Barrantes, Roxana, additional, Klautau, Aldebaro, additional, Malky, Alfonso, additional, Oliveira Fiorini, Ana Carolina, additional, Durán Calisto, Ana María, additional, Abelem, Antonio, additional, Simmons, Cynthia, additional, Chermont, Larissa, additional, Okamura, Marcos, additional, Arteaga, Marliz, additional, Heredia Flores, Oriana Lucía, additional, Delgado, Ricardo, additional, and Soria, Rafael, additional

Published
2023
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17. A NEW INFRASTRUCTURE FOR THE AMAZON

Author

Schaeffer, Roberto, primary, Barrantes, Roxana, additional, Klautau, Aldebaro, additional, Malky, Alfonso, additional, Oliveira Fiorini, Ana Carolina, additional, Durán Calisto, Ana María, additional, Abelem, Antonio, additional, Simmons, Cynthia, additional, Chermont, Larissa, additional, Okamura, Marcos, additional, Arteaga, Marliz, additional, Heredia Flores, Ricardo Delgado, Oriana Lucía, additional, and Soria, Rafael, additional

Published
2023
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25. Health benefits and control costs of tightening particulate matter emissions standards for coal power plants - The case of Northeast Brazil

Author

Howard, Daniel B, Thé, Jesse, Soria, Rafael, Fann, Neal, Schaeffer, Roberto, and Saphores, Jean-Daniel M

Subjects
Environmental Sciences, Pollution and Contamination, Climate-Related Exposures and Conditions, Good Health and Well Being, Air Pollutants, Air Pollution, Brazil, Coal, Humans, Particulate Matter, Power Plants, Health impacts, Pollution control costs, Particulate matter, Emission standards, Coal power plants, Electricity grid dispatch, Air quality, Energy policy
Abstract

Exposure to ambient particulate matter (PM) caused an estimated 4.2 million deaths worldwide in 2015. However, PM emission standards for power plants vary widely. To explore if the current levels of these standards are sufficiently stringent in a simple cost-benefit framework, we compared the health benefits (avoided monetized health costs) with the control costs of tightening PM emission standards for coal-fired power plants in Northeast (NE) Brazil, where ambient PM concentrations are below World Health Organization (WHO) guidelines. We considered three Brazilian PM10 (PMx refers to PM with a diameter under x micrometers) emission standards and a stricter U.S. EPA standard for recent power plants. Our integrated methodology simulates hourly electricity grid dispatch from utility-scale power plants, disperses the resulting PM2.5, and estimates selected human health impacts from PM2.5 exposure using the latest integrated exposure-response model. Since the emissions inventories required to model secondary PM are not available in our study area, we modeled only primary PM so our benefit estimates are conservative. We found that tightening existing PM10 emission standards yields health benefits that are over 60 times greater than emissions control costs in all the scenarios we considered. The monetary value of avoided hospital admissions alone is at least four times as large as the corresponding control costs. These results provide strong arguments for considering tightening PM emission standards for coal-fired power plants worldwide, including in regions that meet WHO guidelines and in developing countries.

Published
2019

28. Taking stock of carbon dioxide removal policy in emerging economies: developments in Brazil, China, and India.

Author

Schenuit, Felix, Brutschin, Elina, Geden, Oliver, Guo, Fei, Mohan, Aniruddh, Oliveira Fiorini, Ana Carolina, Saluja, Sonakshi, Schaeffer, Roberto, and Riahi, Keywan

Abstract

Deliberately removing carbon dioxide from the atmosphere is an important element of bringing mitigation pathways in line with the climate goals of the Paris Agreement. To reach global net-zero CO2 emissions and limit global warming to 1.5°C with no or limited overshoot, global mitigation pathways assessed by IPCC's Sixth Assessment Report require some world regions to achieve net-negative CO2 emissions with large-scale carbon dioxide removal (CDR) deployment. This raises important questions about the availability and feasibility of CDR deployment in different societal and political contexts. This paper therefore combines an analysis of CDR deployment in a sample of scenarios from the IPCC AR6 database with a bottom-up analysis of the state of CDR governance and policy in countries considered key in scaling up CDR capacity and not yet covered by existing research. In particular, the paper focuses on Brazil, China, and India as important emerging economies and large emitters. We highlight the expected use of CDR methods in those regions in scenarios and systematically assess and compare the level of CDR regulation and innovation across these countries. This comparative perspective has the potential to broaden the understanding of existing and emerging CDR policies and politics. The synthesis of the case studies provides three key contributions to existing literature: First, we explore the state of CDR governance and policymaking in key emerging economies. As in OECD countries, there is a notable lack of CDR regulation and innovation to enable the scale of CDR required in the short- and medium term. Second, we identify that repurposing policies is a key type of emerging CDR policymaking in these countries targeting CDR methods in the land use, land use change and forestry (LULUCF) sector. We find that the repurposing efforts strengthen the level of regulation and innovation for this group of methods. Third, we explore three building blocks (regional differentiation, delay of upscaling, sustainability thresholds) of plausible CDR deployment narratives that could help bridge integrated assessment models and comparative case studies in future research. Key policy insights As in OECD countries, there is a notable lack of CDR regulation and innovation to enable CDR scale-up in Brazil, China, and India, questioning the political feasibility of existing scenarios. CDR policy is not starting from scratch, existing policy instruments – especially in the LULUCF sector – can be repurposed to strengthen the level of CDR regulation and innovation. While policies and regulations for CCS-based CDR are lacking in China, Brazil and India, the level of regulation for LULUCF-based CDR is higher. Comparative case studies can inform emerging CDR policy and governance at national and international levels, as well as exogenous CDR deployment narratives for future integrated assessment modelling. [ABSTRACT FROM AUTHOR]

Published
2025
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29. Integrated assessment modelling and input-output analysis.

Author

Malik, Arunima and Schaeffer, Roberto

Subjects
INPUT-output analysis, CLIMATE change mitigation, ATMOSPHERIC models, SUSTAINABILITY, DATABASES
Abstract

This Editorial is the introduction to a special issue on the development of advanced frameworks harbouring integrated assessment models and inter-sectoral detail from input-output databases. This Editorial aims to explain the rationale for dedicating a special issue to this emerging area of research, with the potential for contributing to policy issues linked to sustainability. This is followed by an introduction to the eight contributions to this issue. Then, a concluding section outlining future directions for integrated assessment modelling (IAM) and input-output analysis (IOA) is presented. [ABSTRACT FROM AUTHOR]

Published
2024
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30. Good practice policies to bridge the emissions gap in key countries

Author

Baptista, Luiz Bernardo, Schaeffer, Roberto, van Soest, Heleen L., Fragkos, Panagiotis, Rochedo, Pedro R.R., van Vuuren, Detlef, Dewi, Retno Gumilang, Iyer, Gokul, Jiang, Kejun, Kannavou, Maria, Macaluso, Nick, Oshiro, Ken, Park, Chan, Reedman, Luke J., Safonov, George, Shekhar, Swapnil, Siagian, Ucok, Surana, Kavita, and Qimin, Chai

Published
2022
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33. Author Correction: Global roll-out of comprehensive policy measures may aid in bridging emissions gap

Author

van Soest, Heleen L., Aleluia Reis, Lara, Baptista, Luiz Bernardo, Bertram, Christoph, Després, Jacques, Drouet, Laurent, den Elzen, Michel, Fragkos, Panagiotis, Fricko, Oliver, Fujimori, Shinichiro, Grant, Neil, Harmsen, Mathijs, Iyer, Gokul, Keramidas, Kimon, Köberle, Alexandre C., Kriegler, Elmar, Malik, Aman, Mittal, Shivika, Oshiro, Ken, Riahi, Keywan, Roelfsema, Mark, van Ruijven, Bas, Schaeffer, Roberto, Silva Herran, Diego, Tavoni, Massimo, Unlu, Gamze, Vandyck, Toon, and van Vuuren, Detlef P.

Published
2022
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36. Land-based implications of early climate actions without global net-negative emissions

Author

Hasegawa, Tomoko, Fujimori, Shinichiro, Frank, Stefan, Humpenöder, Florian, Bertram, Christoph, Després, Jacques, Drouet, Laurent, Emmerling, Johannes, Gusti, Mykola, Harmsen, Mathijs, Keramidas, Kimon, Ochi, Yuki, Oshiro, Ken, Rochedo, Pedro, van Ruijven, Bas, Cabardos, Anique-Marie, Deppermann, Andre, Fosse, Florian, Havlik, Petr, Krey, Volker, Popp, Alexander, Schaeffer, Roberto, van Vuuren, Detlef, and Riahi, Keywan

Published
2021
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37. Cost and attainability of meeting stringent climate targets without overshoot

Author

Riahi, Keywan, Bertram, Christoph, Huppmann, Daniel, Rogelj, Joeri, Bosetti, Valentina, Cabardos, Anique-Marie, Deppermann, Andre, Drouet, Laurent, Frank, Stefan, Fricko, Oliver, Fujimori, Shinichiro, Harmsen, Mathijs, Hasegawa, Tomoko, Krey, Volker, Luderer, Gunnar, Paroussos, Leonidas, Schaeffer, Roberto, Weitzel, Matthias, van der Zwaan, Bob, Vrontisi, Zoi, Longa, Francesco Dalla, Després, Jacques, Fosse, Florian, Fragkiadakis, Kostas, Gusti, Mykola, Humpenöder, Florian, Keramidas, Kimon, Kishimoto, Paul, Kriegler, Elmar, Meinshausen, Malte, Nogueira, Larissa P., Oshiro, Ken, Popp, Alexander, Rochedo, Pedro R. R., Ünlü, Gamze, van Ruijven, Bas, Takakura, Junya, Tavoni, Massimo, van Vuuren, Detlef, and Zakeri, Behnam

Published
2021
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38. Net zero-emission pathways reduce the physical and economic risks of climate change

Author

Drouet, Laurent, Bosetti, Valentina, Padoan, Simone A., Aleluia Reis, Lara, Bertram, Christoph, Dalla Longa, Francesco, Després, Jacques, Emmerling, Johannes, Fosse, Florian, Fragkiadakis, Kostas, Frank, Stefan, Fricko, Oliver, Fujimori, Shinichiro, Harmsen, Mathijs, Krey, Volker, Oshiro, Ken, Nogueira, Larissa P., Paroussos, Leonidas, Piontek, Franziska, Riahi, Keywan, Rochedo, Pedro R. R., Schaeffer, Roberto, Takakura, Jun’ya, van der Wijst, Kaj-Ivar, van der Zwaan, Bob, van Vuuren, Detlef, Vrontisi, Zoi, Weitzel, Matthias, Zakeri, Behnam, and Tavoni, Massimo

Published
2021
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39. Inter-sectoral prioritization of climate technologies: insights from a Technology Needs Assessment for mitigation in Brazil

Author

da Silva, Fábio T. F., Szklo, Alexandre, Vinhoza, Amanda, Nogueira, Ana Célia, Lucena, André F. P., Mendonça, Antônio Marcos, Marcolino, Camilla, Nunes, Felipe, Carvalho, Francielle M., Tagomori, Isabela, Soares, Laura, da Cruz, Márcio Rojas, Rochedo, Pedro, Rajão, Raoni, Rathmann, Régis, Schaeffer, Roberto, and de Bittencourt, Sonia Regina Mudrovitsch

Published
2022
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46. How climate change is impacting the Brazilian agricultural sector: evidence from a systematic literature review

Author

Fiorini, Ana Carolina Oliveira, Angelkorte, Gerd, Bakman, Tamar, Baptista, Luiz Bernardo, Cruz, Talita, A Diuana, Fabio, Morais, Taísa Nogueira, Rathmann, Régis, da Silva, Fábio T.F., Tagomori, Isabela, Zanon-Zotin, Marianne, Lucena, André F.P., Szklo, Alexandre, Schaeffer, Roberto, Portugal-Pereira, Joana, Fiorini, Ana Carolina Oliveira, Angelkorte, Gerd, Bakman, Tamar, Baptista, Luiz Bernardo, Cruz, Talita, A Diuana, Fabio, Morais, Taísa Nogueira, Rathmann, Régis, da Silva, Fábio T.F., Tagomori, Isabela, Zanon-Zotin, Marianne, Lucena, André F.P., Szklo, Alexandre, Schaeffer, Roberto, and Portugal-Pereira, Joana

Abstract

Climate change is one of the biggest threats to global food security, with observed impacts already affecting agriculture. This study aims to systematize and analyze the observed biophysical impacts and their evolution in agriculture in Brazil. For this, we carry out a systematic literature review that includes 1844 articles in the first stage, and 53 articles with synthesized information retrieved. Temperature and precipitation are the most studied climate variables when considering observed climate impact on food production, with corn, soybeans, and sugarcane as the major crops assessed. We also identify regional patterns of both positive and negative trends due to climate change: 67% of assessed studies report negative impacts, 15% both negative and positive, 11% neutral relationships and only 7% reveal positive effects. The diversity in scope and methodological approaches across studies presents a challenge, as only a fraction sufficiently contextualizes baseline conditions, not allowing for a comprehensive understanding of impact attribution. Nonetheless, the literature spotlights productivity declines in cassava, cocoa, rice and wheat. As for corn, soybeans, and sugarcane studies reveal both positive and negative impacts, depending on baseline premises. The call for more transparent and comprehensive studies is urgent, especially to encompass a broader range of food crops, particularly in family farming systems and across diverse regional scales. Such studies are imperative for advancing evidence-based climate-resilient strategies in agriculture aiming to map and prevent negative impacts, while promoting positive outcomes in food production.

Published
2024

49. Implications of various effort-sharing approaches for national carbon budgets and emission pathways

Author

van den Berg, Nicole J., van Soest, Heleen L., Hof, Andries F., den Elzen, Michel G. J., van Vuuren, Detlef P., Chen, Wenying, Drouet, Laurent, Emmerling, Johannes, Fujimori, Shinichiro, Höhne, Niklas, Kõberle, Alexandre C., McCollum, David, Schaeffer, Roberto, Shekhar, Swapnil, Vishwanathan, Saritha Sudharmma, Vrontisi, Zoi, and Blok, Kornelis

Published
2020
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50. Impacts of climate change on energy systems in global and regional scenarios

Author

Yalew, Seleshi G., van Vliet, Michelle T. H., Gernaat, David E. H. J., Ludwig, Fulco, Miara, Ariel, Park, Chan, Byers, Edward, De Cian, Enrica, Piontek, Franziska, Iyer, Gokul, Mouratiadou, Ioanna, Glynn, James, Hejazi, Mohamad, Dessens, Olivier, Rochedo, Pedro, Pietzcker, Robert, Schaeffer, Roberto, Fujimori, Shinichiro, Dasgupta, Shouro, Mima, Silvana, da Silva, Silvia R. Santos, Chaturvedi, Vaibhav, Vautard, Robert, and van Vuuren, Detlef P.

Published
2020
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