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Air quality management in China: issues, challenges, and options
1School of Environment, and State Key Joint Laboratory of Environment Simulation and Pollution Control, Tsinghua University, Beijing 100084, China. shxwang@tsinghua.edu.cn
Journal of Environmental Sciences (China)
|July 13, 2012
Summary
China faces severe air pollution challenges due to economic growth, requiring significant emission reductions for fine particles and ozone. Achieving national and WHO air quality standards necessitates a comprehensive control policy for cleaner energy and reduced pollutant output.
Area of Science:
- Environmental Science
- Public Health
- Energy Policy
Background:
- China's economic growth exacerbates air pollution from energy consumption, power generation, and vehicle expansion.
- Regional air pollution, particularly fine particles and ozone, alongside carbon emissions, presents a significant challenge.
Purpose of the Study:
- Analyze air quality control progress and current status in China.
- Identify future air pollution issues and challenges.
- Propose long-term air pollution control targets and strategies for improved air quality.
Main Methods:
- Analysis of air quality control progress and status.
- Identification of major pollution issues and future challenges.
- Proposal of comprehensive control policies and mitigation options.
Main Results:
- Projected increase in multiple pollutant emissions due to economic and energy sector growth.
- Significant emission reductions required: SO2 (60%), NOx (40%), PM10 (50%), VOC (40%) from 2005 levels.
- Ambient air quality in all Chinese cities must meet national standards and WHO guidelines.
Conclusions:
- A comprehensive, multi-pollutant, multi-source control policy is essential for mitigating regional air pollution.
- Strategies include clean energy development, efficient coal use, enhanced vehicle controls, and coordinated regional efforts.
- Climate-friendly measures are crucial for sustainable air quality improvement.
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