Economics of Climate Change at COP30: Allerts from a Tribute to William Nordhaus: Economics of Climate Change at COP30: Allerts from a Tribute to William Nordhaus

EDSON RODRIGO TOLEDO NETO; JORGE MADEIRA NOGUEIRA

doi:10.18829/2317-921X.2025.e60188

Autores

EDSON RODRIGO TOLEDO NETO GoCarbon Ltda https://orcid.org/0000-0002-5830-6307
JORGE MADEIRA NOGUEIRA Full Porfessor Economics, University of Brasília https://orcid.org/0000-0002-3772-7145

DOI:

https://doi.org/10.18829/2317-921X.2025.e60188

Palavras-chave:

climate change economics, climate economics, William Nordhaus

Resumo

Climate economics is now a recognized branch of economic theory that connects basic science with climate mitigation and adaptation policies, translating scientific predictions about physical systems into projections about economic growth and the well-being of societies. This article traces the evolution of this new climate approach from traditional economic worldviews, seeking to consistently address the following question: is there an economics of climate change? How a nascent economics of climate change is forging its path in developing responses to the climate crisis, pioneered by its patron William Dawbney. Nordhaus . Based on the theoretical framework that underpinned the work of William Dalbney Nordhaus , we sought to discuss the salient features of the models developed, as well as the controversies and debates of the last 60 years. In an environment of proliferating hypotheses and scenarios shrouded in uncertainty, Nordhaus can be recognized as a pioneer in the development of integrated economic assessment models (IAM) for climate policies, which underpinned trends and led to epic debates. From the 1970s to the 1990s, GHG taxation was the textbook of environmental economists, influenced by the Pigouvian Solution. Only in the 2000s did carbon markets become widespread as the primary remedy for the climate crisis, becoming dominant, despite the uncertainties surrounding these policies' outcomes. Pricing the negative externalities of climate change, via price signals, also evolved through an evolutionary process.

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Biografia do Autor

JORGE MADEIRA NOGUEIRA, Full Porfessor Economics, University of Brasília

Professor Titular do Departamento de Economia da Universidade de Brasília (ECO/UnB) e do Programa de Pós-graduação em Economia (PPG/ECO/UnB), no qual coordena a Linha de Pesquisa em Economia do Meio Ambiente. Possui graduação em Economia pela Universidade Federal do Rio de Janeiro (1975), mestrado em Engenharia de Produção pela Coordenação dos Programas de Pós-graduação em Engenharia da Universidade Federal do Rio de Janeiro (COPPE-UFRJ,1978) e doutorado em Desenvolvimento Agrário - University of London (1982). Fez Pós-Doutorado na Universidade de Cornell (Cornell University) nos Estados Unidos com bolsa da Fulbright Foundation. Foi Professor Visitante na Cornell University entre 1991 e 1995. Em Cornell recebeu o Prêmio de Professor do Ano de 2004 do Instituto de City and Regional Planning. Foi membro do Comitê Técnico do Fundo Vale (2014 a 2016) e do Fundo JBS para Amazônia (2020 a 2022). É professor de Economia da UnB desde 1983 e Professor Titular em Economia Ambiental desde 2002. Tem experiência na área de Economia, com ênfase em Economias Agrária e dos Recursos Naturais, atuando principalmente nos seguintes temas: economia do meio ambiente, economia dos recursos naturais, avaliação de política pública e valoração econômica de bens públicos. Possui mais de 200 trabalhos publicados em periódicos científicos, completos em Anais de congressos científicos ou como capítulos de livros. Possuí, também, 3 (três) livros publicados.

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ECONOMICS OF CLIMATE CHANGE AT COP30: ALLERTS FROM A TRIBUTE TO WILLIAM NORDHAUS