Asian Nations' Battle Against Hazy Skies: Policies, Budgets, and Solutions

Asian Nations' Battle Against Hazy Skies: Policies, Budgets, and Solutions

Air pollution is a pervasive challenge across Asia, threatening public health, straining economies, and impacting energy systems. While the problem is complex and often trans-boundary, many Asian nations are implementing diverse policies, allocating significant budgets, and deploying innovative solutions to clear their skies. Let's explore some of these efforts.

China's Comprehensive Approach: The "War Against Pollution"

China, having faced some of the world's most severe air pollution, particularly particulate matter like PM2.5 (microscopic airborne particles that are 2.5 micrometers or less in diameter), has launched an aggressive "War Against Pollution." This campaign, which gained significant momentum from 2013 onward, introduced stringent policy measures.

The government implemented strict emission standards for industries and vehicles, aiming to reduce key pollutants like sulfur dioxide (SO2), nitrogen oxides (NOx), and particulate matter. For instance, thermal power plants were required to adopt ultra-low emission technologies. There has been a concerted effort to shift from coal to cleaner energy sources, including natural gas, wind, and solar power. Significant investments have been made in renewable energy infrastructure, establishing China as a global leader in renewable energy capacity.

Budgetary commitments have been substantial, with billions of dollars allocated towards environmental protection funds, subsidies for cleaner technologies, and incentives for industries to upgrade their operations. Urban areas have seen massive investments in expanding public transportation networks (e.g., electric buses, high-speed rail) and restricting the use of high-emission vehicles. Furthermore, research and development in air quality monitoring and forecasting have received considerable funding, alongside efforts to improve regional air quality management and foster international dialogues to address trans-boundary pollution. 

South Korea's Drive for Cleaner Air

South Korea, often affected by both domestic emissions and trans-boundary air pollution, has intensified its efforts to improve air quality. Policies include strengthening emission limits for industrial facilities, promoting the adoption of electric vehicles through subsidies, and expanding charging infrastructure. The government has also focused on regulating emissions from old diesel vehicles and reducing dust from construction sites.

Energy policy is shifting towards reducing reliance on coal-fired power plants, with plans to increase the share of renewable energy sources such as solar and wind power in the energy mix. Significant financial incentives are provided for households and businesses to install air purifiers and energy-efficient heating systems. The national budget reflects these priorities, with substantial allocations for air quality improvement projects, research into advanced filtration technologies, and collaborative regional monitoring systems.

South Korea has also actively participated in international efforts, such as the Northeast Asia Air Quality Management Dialogue, to address shared atmospheric challenges. This commitment to both domestic regulation and regional cooperation underscores a holistic approach to air pollution.

Japan's Long-Standing Environmental Stewardship

Japan has a long history of addressing environmental pollution, stemming from its industrialization period in the mid-20th century. Having overcome severe air quality issues in the past, Japan continues to maintain rigorous environmental regulations. Policies focus on highly efficient energy use, promoting advanced environmental technologies, and stringent vehicle emission controls.

The country has been a pioneer in developing hybrid and fuel-cell vehicle technologies. Industrial emissions are tightly controlled through strict standards and continuous monitoring, with heavy investment in flue gas de-sulfurization (FGD – a set of technologies used to remove sulfur dioxide from exhaust flue gases of fossil fuel power plants) and denitrification (removal of nitrogen from compounds) systems.

Budgetary allocations are consistently directed towards research and development of sustainable technologies, energy conservation programs, and international environmental cooperation. Japan often provides expertise and financial aid to other Asian countries to help them implement cleaner environmental practices, highlighting its commitment to regional environmental improvement.

Southeast Asian Initiatives: Addressing Haze and Industrial Emissions

In Southeast Asia, particularly within the ASEAN (Association of Southeast Asian Nations) bloc, addressing trans-boundary haze pollution from forest and land fires is a critical focus. The ASEAN Agreement on Trans-boundary Haze Pollution is a key framework for regional cooperation, encouraging member states to prevent, monitor, and mitigate such pollution.

Countries like Singapore, Malaysia, Indonesia, and Thailand are also developing national action plans to improve air quality, focusing on regulating industrial emissions, promoting cleaner energy, and improving urban transportation. Investment priorities include enhancing satellite monitoring capabilities for haze, strengthening law enforcement against illegal burning, and promoting sustainable land management practices. There is also a growing push for more sustainable energy infrastructure to reduce reliance on fossil fuels, aligning with broader goals of air quality improvement and climate change mitigation. The United Nations Economic and Social Commission for Asia and the Pacific (ESCAP) has published reports on "Air Quality in Asia: Air Pollution Trends and Mitigation Policy Options," underscoring the regional focus on these issues. 

The Path Forward

Despite these significant efforts, challenges persist. Rapid industrialization and urbanization continue to place pressure on air quality. The trans-boundary nature of air pollution means that the actions of one country can impact its neighbors, necessitating greater regional and international cooperation. Mongolia, for instance, has also been working on establishing air pollution emission standards, pollution measurement, and policy dialogues on air quality since 2013, indicating a broader regional commitment. South Korea (2025): A total of 5 billion Korean Won (KRW) has been allocated for a "regional air quality improvement" project involving large, medium, and small enterprises. This amount is broken down further into 2.5 billion KRW from large enterprises, 1 billion KRW from national funds, 1 billion KRW from local government funds, and 0.5 billion KRW as self-funded contributions.

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References:

[1] National Policy Research Portal (NKIS) View Content - Research Reports - National Policy Research Portal (NKIS) View Content (https://www.nkis.re.kr/researchReport_view.do?otpId=KEI00045355)

[2] jekosae.or.kr - [PDF] Status and Policy Trends of China's Ultrafine Dust (https://jekosae.or.kr/xml/14426/14426.pdf)

[3] nsp.nanet.go.kr - Air Quality in Asia: Air Pollution Trends and Mitigation Policy Options (https://nsp.nanet.go.kr/plan/subject/detail.do?newReportChk=list&nationalPlanControlNo=PLAN0000037911)

[4] www.codil.or.kr - [PDF] Survey of Climate Change Adaptation Policies by Major East Asian Countries (https://www.codil.or.kr/filebank/original/RK/OTKCRK210627/OTKCRK210627.pdf)