Latest News
Caption Text

Socio Economic Impacts

Climate change intensifies socio-economic disparities regionaly and globaly, disproportionately impacting vulnerable communities and economies through increased exposure to extreme weather events and associated hazards.

Take Action Now
There is growing scientific evidence that climate change leads to more severe, and more frequent, extreme weather events in most parts of the planet (IPCC, 2021; Wuebbels et. al, 2017; Perkins-Kirkpatrick et. al, 2017; Bloschl et. al, 2017; American Meteorological Society, 2018). These extreme events, coupled with rising atmospheric temperatures and moisture across the world, are some of the most obvious manifestations of climate change. It is well documented that increasingly hot and humid conditions – as measured by heat stress – adversely affect human health and work productivity. This has a negative impact on people’s livelihoods and wider economies.
Healthcare Systems
Wealth and Gender Inequality
Climate Risk Index
Labour Productivity
Trade and Supply Chain Disruptions
Extreme Weather
Economic Losses
Sea Level Rise
Stories

Impact On Healthcare Systems  

Polar climate change is an under recognised driver of risks to human health and healthcare systems, according to a review of research led by researchers from Arctic Basecamp.  

Warmer polar regions are burdening already stretched global healthcare systems in both direct and indirect ways – affecting countries with under-resourced healthcare systems hardest. The World Health Organization (WHO) estimates that between 2030 and 2050 climate change caused by human activities could cause approximately 250,000 additional deaths per year, from malnutrition, malaria, diarrhea, and heat stress alone.

The direct damage costs to health are estimated to be between US$ 2-4 billion per year by 2030 (WHO 2019).

Read the full study here

In the Arctic itself, melting permafrost and sea ice threatens vital infrastructure and risk releasing long-trapped pollutants, and even ancient pathogens, such as the 1918 influenza virus. 

Ocean ecosystem shifts are also undermining traditional food sources, heightening rates of malnutrition, miscarriages, kidney failure, and cardiovascular disease among Arctic communities with fragile healthcare systems. 

The study also highlights the risks to traditional food sources due to ocean ecosystem changes, contributing to rising rates of malnutrition, miscarriages, kidney failure, and cardiovascular disease among Arctic communities already facing fragile healthcare systems. Read the full report here 

Inequality Reality Check: Wealth, Gender & Climate Gaps Exposed 

The World Inequality Report 2026, shows that the climate crisis is closely linked to global wealth inequality. Emissions connected to wealth and capital ownership are highly concentrated among the richest groups.

The top 10 percent of the global population are responsible for 77 percent of emissions linked to private capital ownership, while the bottom 50 percent contribute only 3 percent.

Even when emissions from everyday consumption are considered, large gaps remain, with the richest 10 percent accounting for 47 percent of emissions compared to just 10 percent from the poorest half. These figures show that climate change is driven mainly by high consumption and investment patterns of the wealthy, not by the poorest populations.

This inequality strongly shapes those who are most affected by climate change. Low- income communities contribute the least to global emissions but face the highest risks from heat, floods, food insecurity, and other climate impacts.

Social and gender inequalities further increase vulnerability, as women and marginalized groups often rely on climate sensitive livelihoods and have fewer resources to adapt and recover.  

Latest News
Caption Text
The report makes clear that effective climate action must also address inequality, through fairer climate finance, inclusive public investment, and policies that link emissions reduction responsibility with social protection and resilience. 

Indicators

Regional risks

Documented manifestations of climate change on socio-economic structure.

Climate Risk Index

The Germanwatch Global Climate Risk Index (CRI), derived from the MunichRe database, quantifies the socio-economic impacts of extreme weather events (fatalities and direct economic losses) and ranks 180 countries based on these impacts. The ranking provides a measure of the vulnerability and exposure of these countries to climate change. The index covers only weather-related extreme events such as storms, floods and temperature extremes. Geological and geophysical risks such as earthquakes, tsunami and volcanic eruptions are not included. The CRI measures only the direct socio-economic impacts attributable to these weather extremes. These direct impacts are limited to deaths and direct economic losses. Indirect impacts of the extreme events such as food and water insecurity are not included (Eckstein et. al, 2021)
According to the CRI 2026 results (1995–2024), more than 9,700 extreme weather events were recorded globally, resulting in over 832,000 fatalities and direct economic losses approaching USD 4.5 trillion (inflation-adjusted). The countries most affected by these extreme weather impacts over this 30-year period were Dominica, Myanmar, and Honduras, with other nations such as Libya, Haiti, Grenada, the Philippines, Nicaragua, India, and the Bahamas also highly impacted. For 2024 alone, St. Vincent and the Grenadines, Grenada, and Chad were among the countries most affected. India ranked 9th in the long-term CRI and 15th in the 2024-only rankings, highlighting its ongoing high exposure to climate hazards. Lower-income countries in tropical and coastal regions continue to be disproportionately affected, underscoring persistent inequalities in climate vulnerability and resilience. 

Climate Risk Index 2019

Climate Risk Index scores 2019
The 2019 data (shown above) indicates that storms and their associated hazards (landslides, floods, precipitation) were the main causes of the economic losses due to extreme weather incurred in that year. A comprehensive global scientific evidence summarized in the Sixth Assessment report by IPCC (2021) suggests that the number and intensity of severe storms, particularly tropical cyclones, has been increasing with rising global temperatures. This trend is set to continue as the world warms further. It also applies to other extreme weather events. Indeed, the 2019 CRI values were higher in most countries compared to the 2000-2019 averages (as shown below).

Climate Risk Index 2000-2019

Climate Risk Index scores 2000-2019

Loss of Labour Productivity

Labour productivity is known to start dropping beyond heat stress levels of around 25°C and could reduce by up to 50% at 33°C for moderate work intensities. Economic activities requiring higher levels of physical exertion in outdoors settings, such as agriculture and construction, tend to be affected most. However, there are also considerable impacts on predominantly indoors industrial and service sector jobs, particularly if building heat is not managed properly.

In 2019, the International Labour Organisation carried out a comprehensive assessment based on historic and projected climate data, epidemiological and physiological data for human body’s responses to heat and humidity, and historic and projected demographic data in all countries.

The results show sizeable losses in heat-related productivity between 1995 and 2030 in most countries across the key economy sectors, with the biggest impacts occurring in the tropical regions. Globally, 2.2% of total working hours are projected to be lost due to rising heat stress by 2030, an equivalent of 80 million full-time jobs when accounting for the underlying population growth. This is up from around 1.4% of working hours lost in 1995, equivalent to 35 million full-time jobs.

The 2025 Lancet Countdown estimated that heat exposure resulted in approximately 640 billion potential labour hours lost globally in 2024, with associated productivity losses valued at around US$1.09 trillion. Outdoor workers in agriculture and construction remain the most affected, but growing evidence shows that indoor workers are also increasingly vulnerable where cooling, ventilation, and workplace heat adaptation measures are inadequate. 

Working Hours Lost Due to Heat Stress

% of total working hours lost due to heat stress between 1995 and 2030

In economic terms, when adjusted to the inflation and accounting for the underlying economic growth, annual heat-related productivity losses are set to grow nearly tenfold from $280 billion in 1995 to $2,400 billion in 2030. These figures do not include broader impacts of heat stress on human health. Lower-middle income countries are set to experience the biggest losses relative to the GDP: rising from 2.8% of GDP in 1995 to 4.3% in 2030.

The unprecedented pace of warming in the Arctic region serves as a barometer of climate change and the associated labour productivity impacts globally. Rapid change in the far north also directly contributes to these negative effects through two main feedback processes. First, the loss of the sea ice cover (during spring and summer) and land snow cover (during spring) means less sunlight is reflected from the white surfaces back into space, causing additional absorption of solar energy and subsequent warming. Second, the degradation of the permafrost leads to thawing and decomposition of previously frozen organic matter, releasing large quantities of CO2 and methane, the main human-generated heat-trapping gases, in the atmosphere.

Fulltime equivalent Working Hours Lost

Change in total working hours lost in terms of fulltime jobs in units of thousands between 1995 and 2030
Most of the projected near-term (to 2030) impacts of climate change on labour productivity are already locked in given limited progress with reducing global emissions to date, and people will have to adapt to increasing heat stress. In the longer-term, however, livelihoods of billions of people are at stake, and keeping global temperature rise to 1.5°C would significantly limit the productivity losses. Click and zoom in on the graph above to see data for each country.

Trade and Supply Chain Disruptions

Related global risks: sea level rise, extreme weather.

The IPCC identified a range of disruptions to global trade as a result of climate change.

Shipping routes, port activity, roads, railways and other coastal infrastructure are compromised by sea-level rise, hurricanes and severe storms.

For example, a McKinsey analysis found that the probability of a hurricane of sufficient intensity to disrupt semiconductor supply chains is set to grow two to four times by 2040. The changing Arctic amplifies the risk of storms and other extreme weather.

Risks to food supply chains are also elevated by global warming through changes to global precipitation and weather systems.

Climate-related disruptions are already increasing costs across global supply chains. The World Economic Forum reported that supply chain shocks contributed to a 40% rise in container shipping costs in 2025, underscoring the growing economic risks associated with extreme weather events, infrastructure damage, and transport disruptions.

In parallel, climate impacts on critical trade chokepoints have already emerged: during 2023–2024, drought-driven low water levels in the Panama Canal led to a 31% increase in sailing distances and a reduction in canal transits by around 20%, resulting in higher shipping costs, delays, and widespread knock-on effects across international trade networks. These developments highlight the increasing vulnerability of global trade systems to climate-related disruptions. 

Indicators

Global risks

Documented manifestations of climate change on socio-economic structure.

Extreme Weather Events

Climate change is causing extreme weather across the globe. The catastrophic and costly storms, heat waves and other extreme weather hammering the world’s cities and regions have been linked to changes in the rapidly warming Arctic. Between 2010 and 2019, record-breaking storms, floods, and other natural disasters were the costliest in modern history with losses totaling US$2.98 trillion.

Recent assessments confirm that this trend is accelerating. In 2024, weather- and climate-related disasters caused over 150 extreme events globally, resulting in more than US$300 billion in economic losses, making it one of the costliest years on record for climate-related disasters. 

Economic Impact of Climate Related Incidents

Global economic impact of climate related incidents
Science finds close links between Arctic warming and extreme weather across the Northern Hemisphere. Devastating and costly cyclones, heatwaves, droughts and other weather disasters across North America, Europe and Asia have all been tied to the effects of super-charged Arctic warming.

Economic Losses

Related global risks: extreme weather.

Arctic warming enhances the frequency and intensity of extreme weather, ecosystem disruption and sea levels. These challenges are illustrated through loss of productivity, food and water insecurity, supply chain disruptions and high risks of sovereign defaults among others (Cevik and Jalles, 2022). An analysis by Swiss Re found that by 2050, climate change is expected to cause global economic impacts of up to $23 trillion under mitigation levels consistent with national pledges at the time of the research.

The extreme weather triggered by loss of Arctic ice and spring snow cover is already causing significant economic losses. The cost of extreme weather events during 2020 was about $190 billion globally according to Swiss Re.

Widespread wildfires in Canada (2023), along with floods in Germany (2021) and hurricanes in the US (2022), have each caused billions of USD worth of economic damage.

As cities expand and climate risks rise, the economic costs of extreme weather grow rapidly. Estimates suggest that Ho Chi Minh City could experience 5 – 10 times the economic impact from an extreme flood in 2050 versus today.

New government-backed reinsurance schemes point to increasing uninsurable risks due to more extreme weather.

Building on this trend, early 2026 outlooks from Swiss Re suggest that insured losses from natural catastrophes could reach around US$148 billion in 2026 under long-term trends, and may exceed US$300 billion in higher-impact scenarios, reinforcing that recent loss patterns reflect structural risk escalation rather than short-term volatility. 

McKinsey research found that in Florida, flood losses could devalue vulnerable homes by $30 – 80 billion by 2050, affecting property tax revenue in some counties by 15 – 30%.

Sea Level Rise

Some of the world’s most populated places are on the shores of rising oceans. Seas are rising faster now than over any century in the past 3,000 years. Coastline flooding of low-lying cities and regions as well as devastating coastal erosion will worsen and happen more often in the decades ahead.

A 2025 study in Scientific Reports estimates that sea level rise could expose nearly 6 million people annually to coastal flooding in Asia and the Pacific today, with annual economic damages projected to rise from US$26.8 billion to as much as US$198 billion by 2050, alongside large-scale risks to infrastructure, housing, and displacement in densely populated coastal regions. 

Global Sea Level Rise

Global Mean Sea Level is rising at the rate of 3.4mm/yr
Melting glaciers and polar ice sheets are the main reason sea levels increased between 2006 and 2018. Oceans, which rose by 20 millimetres (0.79 inches) between 1901 and 2018, are now rising by almost four millimetres (0.16 inches) per year. Higher oceans, combined with more intense storms and rain, are expected to cause more catastrophic flooding in coastal cities around the world.

Latest Socio-Economic Impact Stories

All Socio-Economic Impact Stories
All Stories

What You Can Do?

Join the Fight Against World's Climate Crisis
Take ActionJoin our initiatives to combat global climate change