The Economic Toll of Poor Air Quality, Wildfires, and Climate Change: A Global Crisis Unfolding

The economic impact of climate change, poor indoor and outdoor air quality, and increasingly severe wildfires is becoming impossible to ignore. Economists, insurance companies, and banks are now recognizing that these environmental issues have direct and indirect costs affecting every level of the global economy. From lost workdays and reduced productivity to the ecological damage impacting food supplies and biodiversity, climate change is reshaping our economic landscape with alarming speed. Here’s an in-depth look at how poor air quality, wildfires, and climate change are taking a toll on economic productivity, global ecosystems, and financial stability.

1. Reduced Productivity and Lost Work Time

One of the most immediate impacts of climate change and air quality issues on the economy is the reduction in productivity due to lost workdays and health issues.

Health-Related Work Absences

With air pollution and wildfire smoke becoming recurring hazards, more people can lose work time because of respiratory symptoms, asthma flare-ups, headaches, fatigue, caregiving needs, and hazardous outdoor conditions. The economic burden is not limited to medical bills; it also includes missed work, lower productivity, and the costs of adapting workplaces and schools to poor air quality. ¹The World Bank and IHME estimated that premature deaths from outdoor and household air pollution cost the global economy about $225 billion in lost labor income in 2013 and more than $5 trillion in welfare losses. World Bank and IHME, “The Cost of Air Pollution,” https://hdl.handle.net/10986/25013.

In addition to respiratory issues, poor air quality, heat, and poorly ventilated indoor environments can contribute to fatigue and cognitive issues. Controlled research has linked ventilationThe process of circulating air to improve indoor air quality., CO2, and VOC conditions with cognitive performance, while PM2.5 exposure is associated with respiratory and cardiovascular disease burdens that affect workers and employers. ²Allen et al. found that cognitive function scores in office workers were associated with carbon dioxide, ventilationThe process of circulating air to improve indoor air quality., and VOC exposure conditions in a controlled exposure study. Allen JG et al., Environmental Health Perspectives, PMID: 26502459, https://pubmed.ncbi.nlm.nih.gov/26502459/.

Financial Impact of Productivity Losses

The cumulative impact of lost workdays, premature death, and decreased productivity due to air pollution is substantial. A World Bank and IHME analysis estimated that air pollution-related premature deaths cost the global economy about $225 billion in lost labor income in 2013 and more than $5 trillion in welfare losses. These costs are expected to grow where pollution exposure, heat, wildfire smoke, and climate-driven disruptions increase. ³The World Bank and IHME estimated that premature deaths from outdoor and household air pollution cost the global economy about $225 billion in lost labor income in 2013 and more than $5 trillion in welfare losses. World Bank and IHME, “The Cost of Air Pollution,” https://hdl.handle.net/10986/25013.

2. Insurance Industry Strain and Rising Premiums

The insurance industry is among the hardest-hit sectors by climate change, with wildfires, hurricanes, and flooding events growing more frequent and destructive. As a result, insurance companies are adjusting their policies and raising premiums, making insurance less accessible and affordable for people living in high-risk areas.

Increased Payouts and Rising Premiums

Wildfires, storms, floods, and other climate-related disasters have created substantial financial strain on insurers and communities. Rather than relying on a single wildfire-claims figure, the broader trend is clear: Swiss Re estimated that natural catastrophes in 2021 caused $270 billion in total global economic losses and $111 billion in insured losses. As exposure and rebuilding costs rise, insurers are recalibrating risk assessments, raising premiums, and sometimes reducing coverage in high-risk areas. ⁴Swiss Re estimated that natural catastrophes in 2021 caused total global economic losses of $270 billion and insured losses of $111 billion, reflecting a widening protection gap and rising losses from events such as floods, storms, and other climate-related hazards. Swiss Re, “Extreme flood events once again drive high losses in 2021,” https://www.swissre.com/press-release/Extreme-flood-events-once-again-drive-high-losses-in-2021-yet-75-of-flood-risks-remain-uninsured-Swiss-Re-Institute-reveals/3269ad99-b743-4398-82e3-534a87783910.

The increase in insurance premiums for climate-impacted areas is a burden for businesses and homeowners alike. It leads to higher operating costs, reduced disposable income, and in extreme cases, forces people to abandon homes and businesses they can no longer insure affordably. Rising insurance premiums due to climate risks also create market volatility, as more investors recognize the financial risks associated with climate change.

Global Insurance Market Impact

Globally, insurance companies are struggling to cope with the increased frequency and cost of climate-related disasters. Swiss Re, one of the world’s largest reinsurers, reported that natural disasters cost the global insurance industry over $82 billion in 2021, with projections suggesting even higher costs in the years ahead. As these climate-related risks increase, the global insurance industry is sounding alarms that climate change poses a significant threat to financial stability, particularly for emerging economies that may lack resources to manage climate-related losses.

3. Ecological Damage and Economic Consequences

Climate change and environmental degradation extend beyond human health, impacting ecosystems and biodiversity in ways that have profound economic consequences.

Ocean Damage and Fisheries

The ocean absorbs a large share of human-produced CO2, but warming, acidification, and deoxygenation threaten marine ecosystems that support food, livelihoods, tourism, and coastal protection. Coral reefs are especially important because they support fisheries, recreation, tourism, and shoreline protection for coastal communities. ⁵NOAA states that coral reefs support jobs, tourism, fisheries, coastal protection, and recreation; NOAA notes that U.S. coral reef services are worth over $3.4 billion each year, while global reef services are often valued in the hundreds of billions annually. NOAA, “Coral Reefs,” https://www.coast.noaa.gov/states/fast-facts/coral-reefs.html; NOAA National Marine Ecosystem Status, “Coral Reefs,” https://ecowatch.noaa.gov/thematic/coral-reefs.

Ocean acidification and warming can disrupt food webs, particularly for organisms that build shells or skeletons from calcium carbonate. Declines in fish populations and reef health can affect fishing industries and coastal communities that rely on marine ecosystems for food, income, and storm protection.

Species Extinction and Ecosystem Services

Biodiversity loss due to climate change and habitat degradation is an often overlooked yet critical aspect of economic sustainability. As species decline and ecosystems become less resilient, the services they provide, such as pollination, water filtrationThe process of removing particles from the air or liquids using filters., soil fertility, fisheries, and coastal protection, are compromised. Rather than depending on one global ecosystem-services dollar figure, it is more useful to track specific services and sectors at risk. ⁶IPBES estimated that animal pollination contributes to global crop production with an annual market value of $235 billion to $577 billion in 2015 U.S. dollars. IPBES, “Assessment Report on Pollinators, Pollination and Food Production,” https://www.ipbes.net/assessment-reports/pollinators.

For instance, the agricultural industry depends on pollinators like bees, butterflies, flies, beetles, bats, and other animals. IPBES estimated the annual market value of animal pollination for global crop production at $235 billion to $577 billion, meaning pollinator decline can affect crop diversity, prices, nutrition, and food security. ⁷IPBES estimated that animal pollination contributes to global crop production with an annual market value of $235 billion to $577 billion in 2015 U.S. dollars. IPBES, “Assessment Report on Pollinators, Pollination and Food Production,” https://www.ipbes.net/assessment-reports/pollinators.

4. Climate Change-Driven Migration and Social Disruption

As climate change intensifies, people are increasingly forced to leave areas affected by extreme weather events, creating climate refugees. This mass migration has socio-economic repercussions that can disrupt both local economies and international markets.

Climate Migration and Workforce Displacement

The World Bank projects that climate change could force 216 million people across six world regions to move within their own countries by 2050 without stronger climate and development action. These internal climate migrants may move from areas affected by water scarcity, declining crop productivity, sea-level rise, and other slow-onset impacts, straining resources and changing local labor markets. ⁸The World Bank’s updated Groundswell report projects that climate change could force 216 million people across six world regions to move within their own countries by 2050 without stronger climate and development action. World Bank, “Climate Change Could Force 216 Million People to Migrate Within Their Own Countries by 2050,” https://www.worldbank.org/en/news/press-release/2021/09/13/climate-change-could-force-216-million-people-to-migrate-within-their-own-countries-by-2050.

Economic Strain on Host Countries

Host countries may experience economic strain as they absorb climate migrants, who often require housing, healthcare, and employment assistance. The economic cost of managing climate migration is challenging to estimate, but the International Organization for Migration (IOM) warns that without proactive policies, the global economy could see significant destabilization in regions with high migration flows.

5. Financial Institutions and Long-Term Risks

Banks and other financial institutions are now evaluating climate change as a systemic risk to financial stability. With the physical impacts of climate change,like wildfires, floods, and hurricanes,financial institutions are becoming increasingly wary of the associated economic risks.

Investment Risks and Financial Stability

Financial institutions face increased risks in sectors directly impacted by climate change, such as agriculture, real estate, infrastructure, and insurance. Physical climate risks can reduce asset values, disrupt loan portfolios, increase default risk, and expose fossil-fuel-dependent assets to transition risk as policy and market conditions change.

ESG and Sustainable Investments

In response, many banks are shifting their investment portfolios toward Environmental, Social, and Governance (ESG) funds and sustainable investments. This transition helps mitigate climate risks in the financial sector but also represents a broader move toward financing climate-friendly projects, like renewable energy and sustainable infrastructure. Banks like Bank of America and Citigroup have pledged hundreds of billions in sustainable investments as part of their long-term strategy to address climate risks.

Conclusion: The Urgent Need for Addressing Air Quality

The economic impact of poor air quality, wildfires, and climate change is vast, affecting productivity, healthcare costs, insurance, ecosystem stability, and financial markets. As climate change accelerates, these costs are projected to rise, threatening the global economy’s stability. Addressing these issues requires urgent action, from stricter emissions standards to investment in sustainable infrastructure and policy reforms aimed at protecting vulnerable communities and ecosystems.

The stakes are high, but by prioritizing climate action and supporting adaptation efforts, we can mitigate the economic toll of climate change. This is not just an environmental challenge but an economic necessity. The sooner we address it, the better positioned we will be to safeguard the health, prosperity, and resilience of our communities and economies worldwide.