Climate change has created a bill that the world now has to pay. The bill appears in flooded roads, damaged homes, failing crops, disappearing glaciers, heat related illnesses and the money governments must spend adapting their economies to a changing climate. Yet the countries receiving that bill did not contribute equally to creating the problem. The IPCC finds that climate impacts and economic losses are already unequally distributed, with the most vulnerable people and regions often experiencing the greatest harm.
That imbalance was brought sharply into focus at the United Nations General Assembly in September 2026. Nepal's Prime Minister Balendra Shah pointed out that Nepal contributes less than 0.1 percent of global greenhouse gas emissions, while climate related disasters are damaging its infrastructure, livelihoods and development. Following devastating floods, Nepal's rapid assessment placed physical recovery needs at about 10 percent of its GDP.
For a country trying to build roads, schools, farms and industries, having to repeatedly spend scarce public money repairing climate damage is not simply an environmental problem. It is a development one. Nepal's own climate reporting records major economic losses from floods, landslides and other climate related events, including losses exceeding NPR 46 billion from the floods and landslides of 2024.
The climate crisis has a history
To understand why this feels unequal, we have to look backwards.
The modern global economy was built through generations of industrialisation that relied heavily on coal, oil and other fossil fuels. For much of the nineteenth and early twentieth centuries, Europe and the United States dominated global carbon dioxide emissions. In 1900, more than 90 percent of annual global CO₂ emissions came from Europe or the United States. The United States alone has produced about 23.5 percent of cumulative global CO₂ emissions from fossil fuels and industries since 1751.
Those emissions were part of a much larger transformation. Industrialisation created factories, transport networks, electricity systems, cities and industries that fundamentally changed living standards and economic power. The benefits accumulated over generations, while the atmospheric effects did not disappear when those emissions were produced. CO₂ remains in the climate system for centuries, which is why cumulative emissions matter alongside what countries emit today.
Today, the picture is more complicated. China is now the world's largest annual CO₂ emitter, and India has become a major contributor as its economy and energy use have expanded. Yet neither country entered the industrial age under the same conditions as the countries that industrialised first. Their development is happening in a world where the atmosphere is already carrying the accumulated consequences of earlier growth.
The second cost is the cost of catching up
This creates a difficult policy dilemma. Developing countries still need electricity, transport, housing, manufacturing and jobs. They cannot simply freeze their development because the world has discovered the environmental consequences of industrialisation.
At the same time, climate change is making development more expensive. The World Bank projects that Nepal's GDP could be at least 7 percent smaller by 2050 because of unchecked climate impacts. Across developing countries, UNEP estimates that adaptation finance needs could reach between 310 billion and 365 billion dollars each year by 2035, while international public adaptation finance was only 26 billion dollars in 2023.
The result is a paradox. The countries that need to spend money adapting to climate change are often the same countries that need to spend money developing their economies. Climate policy can therefore become a choice between two urgent investments: preparing for environmental damage or building the infrastructure needed to reduce poverty and increase resilience.
Even the transition to green is becoming unequal
Moving to a low carbon economy is not just about reducing emissions. It is also becoming a competition over who will control the industries of the future.
China has built a strong position in areas such as solar panels and batteries. In response, the United States and other major economies are using subsidies, tariffs and industrial policies to strengthen their own clean energy industries. The International Energy Agency notes that trade and industrial policies are increasingly shaping competition in clean energy technologies.
This creates another challenge for developing countries. They are expected to move towards cleaner energy while also competing for the investment, technology and industries needed to make that transition possible.
The question is therefore not only how quickly the world can reduce emissions. It is also whether developing countries can make the transition without sacrificing the economic development they still need.
Perhaps fairness needs to be measured differently
International climate policy already recognises that countries have common but differentiated responsibilities and different capacities to respond. The deeper challenge is turning that principle into something that reflects the world countries actually entered.
A fair climate transition cannot be built by looking only at who emits the most today. It has to look at the journeys that brought countries here.
Some countries had generations to industrialise before the environmental consequences of that growth became a global constraint. Others are trying to build the same roads, industries, homes and opportunities in a world where every additional tonne of carbon is already counted.
That difference matters because development is not simply an economic statistic. It is someone's electricity for the first time. It is a road connecting a village to a hospital. It is a factory creating jobs. It is a child going to school instead of working. When climate policy makes development more expensive, those costs are ultimately carried by people.
The world may share one atmosphere, but it has never shared one starting point.
Climate action should not erase the differences in how countries arrived here. A fairer future begins by making sure those who developed last are not left to carry the cost of a world that developed first.
References:
IPCC. (2023). Chapter 8: Poverty, Livelihoods and Sustainable Development. Www.Ipcc.Ch. https://www.ipcc.ch/report/ar6/wg2/chapter/chapter-8/
Nepal. (2026, September 16). General Debate. https://gadebate.un.org/en/81/nepal
Government of Nepal Ministry of Forests and Environment NEPAL NEPAL FIRST BIENNIAL TRANSPARENCY REPORT FIRST BIENNIAL TRANSPARENCY REPORT. (2025). https://unfccc.int/sites/default/files/resource/Nepal_First_BTR.pdf
Ritchie, H., & Roser, M. (2024). CO₂ emissions. Our World in Data. https://doi.org/10.4155/cmt.11.10)
Rapier, R. (2026, June 24). Yes, China Is Largely Responsible For Rising Carbon Emissions. Forbes. https://www.forbes.com/sites/rrapier/2026/06/24/yes-china-is-largely-responsible-for-rising-carbon-emissions/
Integrating Climate Change into Nepal’s Development Strategy Key to Build Resilience, Says New World Bank Group Report. (2026, March 26). Worldbank.Org; World Bank Group. https://www.worldbank.org/en/news/press-release/2022/09/15/integrating-climate-change-into-nepal-s-development-strategy-key-to-build-resilience-says-new-world-bank-group-report
Environment, U. (2025). Adaptation Gap Report 2025. UNEP - UN Environment Programme. https://www.unep.org/resources/adaptation-gap-report-2025
Faidon Papadimoulis, Clean Energy and Technology Modeller, Jaensch, J., Analyst, C. E. T., Robert, C., Analyst, E. T., & Chain Unit, P. L. H. T. S. (2026, August 3). Energy technology manufacturing is rebalancing in a dynamic era for trade and industrial policy – Analysis - IEA. IEA. https://www.iea.org/commentaries/energy-technology-manufacturing-is-rebalancing-in-a-dynamic-era-for-trade-and-industrial-policy