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Survey across the Global South sheds new light on support for climate policies

Survey across the Global South sheds new light on support for climate policies
Average importance of climate change by country. Credit: Nature Climate Change (2025). DOI: 10.1038/s41558-025-02389-9

A new study, in Nature Climate Change, offers a comprehensive picture of public attitudes toward climate policies, such as carbon taxes, in seven large countries in the Global South: Chile, Colombia, India, Kenya, Nigeria, South Africa, and Vietnam.

The study highlights both the depth of climate knowledge in these countries and the trade-offs citizens face when weighing climate policies against other urgent needs.

Unlike many that rely on simple "agree–disagree" statements, this study asked participants to make explicit choices between competing government spending priorities. While climate action was widely rated as important, its priority dropped when respondents had to compare it directly with areas such as health, education, or poverty reduction.

"This approach gives us a much richer picture of public opinion," says Gunnar Köhlin, co-author of the study and Director of the global research network Environment for Development (EfD), which is coordinated by a Global Hub at the University of Gothenburg.

"If you only ask people if climate change is important, the answer is overwhelmingly yes. But when people face trade-offs, climate action often slips behind immediate concerns like health care or jobs."

The survey, which included 8,400 respondents, also showed that the level of climate knowledge in the Global South is closer to that in the Global North than expected. Climate knowledge is also a stronger predictor of support for ambitious than education level. Scientists were rated as the most trusted source of information, ahead of governments, businesses, and the media.

Another striking finding is that citizens showed strong support for earmarking revenues from for health and education programs, rather than using them to reduce deficits or pay back directly to households.

"Understanding how people in the Global South think about climate change is crucial. These countries are home to the majority of the world's population and are both highly vulnerable to climate impacts and important actors as we look for solutions to climate change," emphasizes Gunnar Köhlin.

The EfD network conducted the study, fielded by survey firm YouGov. The findings provide a valuable dataset for policymakers and researchers seeking to align with public priorities in developing economies.

More information: Richard T. Carson et al, The public's views on climate policies in seven large global south countries, Nature Climate Change (2025).

Journal information: Nature Climate Change

Citation: Survey across the Global South sheds new light on support for climate policies (2025, September 12) retrieved 12 September 2025 from /news/2025-09-survey-global-south-climate-policies.html
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