Southeast Asian cities ranked among the most polluted in the world, according to IQAir’s Air Quality in the World(*) data. (as of 1/24/2025) Ho Chi Minh City ranked second, Phnom Penh fourth, and Bangkok fifth, highlighting the severe air pollution issue plaguing the region. This situation, closely tied to the effects of climate change, underscores an urgent challenge for our society.
(*)Source: Air Quality in the World / IQAir / https://www.iqair.com/world-air-quality

Causes of Air Pollution: The Interplay Between Climate Change and Human Activities
1. Agricultural Burning and Industrial Activities
According to reports, practices like crop burning, industrial emissions, and heavy traffic are the main contributors to air pollution. These activities also accelerate the release of greenhouse gases such as carbon dioxide and methane, exacerbating climate change.
2. How Climate Change Worsens Air Pollution
Climate change-induced phenomena such as abnormal weather patterns and rising temperatures alter atmospheric circulation. This leads to the “inversion layer” effect, trapping pollutants near the ground and increasing smog and PM2.5 concentration in urban areas, with dire consequences for public health.
Health and Economic Impacts
1. Health Hazards
Fine particles like PM2.5 penetrate the lungs and bloodstream, potentially causing respiratory and cardiovascular diseases. Outdoor workers, the elderly, and children are particularly vulnerable, and the health burden is spreading throughout society.
2. Economic Consequences
Rising healthcare costs and increased employee absenteeism due to pollution-related illnesses impact business productivity. Moreover, severe pollution damages tourism and service industries, hindering economic growth across affected cities.
The Role of Corporations: Building a Sustainable Future
1. Reducing Greenhouse Gas Emissions
Companies must intensify efforts to reduce emissions from their operations. Utilizing renewable energy, adopting energy-efficient technologies, and setting carbon-neutral goals are effective measures businesses can take.
2. Protecting Employee Health
In heavily polluted cities, companies should prioritize employee health by implementing remote work policies, equipping offices with air purifiers, and encouraging public transportation or electric vehicle use for commuting.
3. Contributing to Local Communities
Businesses should collaborate with local communities to develop long-term solutions. For example, companies could invest in infrastructure to promote the spread of electric vehicles or participate in air purification projects.

Our Commitment at SAKIGAKE JAPAN
At SAKIGAKE JAPAN, we are dedicated to reducing climate risks and achieving a sustainable society. Our initiatives include:
- Disaster Risk Assessment: We assess the environmental risks faced by a company and recommend appropriate measures.
- Support for Disaster Planning: Helping organizations minimize environmental impact and maintain operations during emergencies.
- Community-Based Disaster Training: Equipping employees and their families with the skills to respond effectively in times of crisis.
Actions Today for a Healthier Tomorrow
The impacts of air pollution and climate change are undeniable, but how we respond to them is in our hands. Every small step, taken collectively by individuals and corporations, can create a transformative ripple effect. The decisions and actions we take today will shape the future we hand over to the next generation.
At SAKIGAKE JAPAN, we strive to empower businesses to become more resilient to climate change and turn environmental stewardship into a source of corporate value. Together, let us pave the way for a sustainable tomorrow.
Source: Southeast Asian cities among world’s most polluted, ranking shows / January 24, 2025 / Reuters,