Why Climate Change Is Deepening Global Economic Inequality
As the year 2025 is at the cusp of a sordid shift, it is closing as one of the hottest years on record, marked by cyclones, floods, and heatwaves across continents. Yet, alongside the environmental degradation, another crisis grows silently but steadily is economic inequality. In many ways, these two forces, climate change and inequality, are interconnected. They reinforce each other, creating a vicious cycle where the poorest suffer the most from loss of biodiversity and ecosystem services while the wealthiest continue to profit from carbon-intensive industries. However, whosoever pays the piper must call the tune.
The unequal burden of climate change does not strike evenly. The richest 1 per cent of the world population are responsible for approximately 41 per cent of emissions linked to private capital ownership. However, the poorest half of humanity contributes the least but faces the hardest, unbearable consequences. Countries in the global south, namely India and Bangladesh, face recurring floods and cyclones. The cyclone of 2025 divided Sri Lanka and Tamil Nadu, displacing thousands. In our country, approximately 65 per cent of the women workforce is engaged in agriculture, one of the most climate-sensitive sectors. Erratic rainfall and crop losses disproportionally increase rural women’s workload and social credibility. The tremors of heatwaves kill more in poor pockets as compared to wealthier communities which use innovative technologies for mitigation. This is not just an environmental injustice but a social inequity too. The inequality intensified by the environment becomes graver and more intense because nature itself bestows beauty.
The fact that inequality fuels climate inaction, too. Lack of resources creates duress for the poor nations, whereas wealthy corporations lobby against strict climate regulation. The USD 100 billion annual climate finance pledge made in 2009 remains unmet, even as climate finance flows exceeded USD 2 trillion globally in 2024. The public distrust is also acknowledged when citizens see billionaires flying private jets while being told to reduce their own carbon footprint. This hypocrisy erodes trust and slows collective action.
Most significantly, the divide between the Global North and South remains stark. As a historical responsibility, industrialised nations have emitted the majority of greenhouse gases since 1850 and developing nations face rising temperatures and erratic rainfall that threaten food security. Importantly, the pace of greenhouse gases has become faster compared to the past years. While climate finance flows are rising, much of its benefits financiers in the north rather than vulnerable communities in the south. This imbalance is unsustainable. Without justice, climate solutions would fail.
Climate-related refugees’ crisis also portrays the truncated face of human equality. The refugee crisis illustrates the intersection of climate and inequality. The refugee crisis illustrates the intersection of climate and inequality. By mid-2025, 117.3 million people were forcibly displaced worldwide, including 36.4 million refugees. Weather-related hazards drove 218 million internal displacements over the past decades. Climate refugees lack international protection compared to political refugees. Migration often fuels xenophobia and political instability in host countries. Imagine being a farmer in Bangladesh, the land of which is swallowed by the sea. You migrate to Dhaka to find overcrowded slums and scarce jobs.
Climate change as an Inequality multiplier deepens the trend. The fact that droughts raise food prices, hit the poor hardest. Informal economies collapse after climate disasters. By 2050, the income disparity would further increase by more suffering to 50 per cent of the bottom population, 74 per cent of people losing out on their income. However, the same loss to the richer people has been estimated as 3 per cent. As such, climate change is not just an environmental crisis but also an inequality multiplier.
It is worthwhile to estimate that 1 per cent of the richest world emits more carbon than the poorest 66 per cent. The corporations and billionaires pledge sustainability while continuing destructive practices. Billionaires fund space travel while climate refugees struggle for shelter. This is structural injustice fuelled by crony capitalist doctrine. Climate change cannot be solved while wealth remains concentrated in the hands of those who make unprecedented profits from fossil fuels.
Since climate change and inequality are inextricably intermingled, the solutions should also address both. For instance, wealthy countries must honour and expand climate finance commitments. The taxes on carbon-intensive industries should fund adaptation in poorer regions. The idea of green jobs for all needs to be put in place. The renewable energy transitions must create inclusive jobs. Training programmes and capacity building should be extended to marginalised groups, and they should also be covered by social security bonds. The rich individuals and corporations must face stricter emission caps. Community-led climate projects should receive public investment.
At its core, this is also about morality and ethics. Do we accept a world where the wealthy can buy safety while the poor drown, starve, or migrate? Or do we insist on a future where climate justice and economic justice go hand in hand?
Climate change and economic inequality are two sides of the same coin. Tackling one without the other is not sustainable. The fight for climate justice must also be clubbed with economic equity. Every flood, every drought, every wildfire is a reminder that time is running out. But every act of solidarity, every policy of fairness, every investment in resilience is a step toward a liveable future. The choice is ours: a fractured world of climate apartheid, or a united world of climate justice.
Disclaimer: The views expressed in this article are those of the author and do not necessarily reflect the views of the publication.