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How was pollution in the Han River reduced after the early 1980s?
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Seoul
Changgyeong Palace, with downtown Seoul in the background.
Pollution levels in the Han River have been significantly reduced since the early 1980s through two primary initiatives:
- Water Level Control: The implementation of measures to effectively manage and control the river's water level.1
- Infrastructure Development: The construction of large-scale sewage treatment facilities to process wastewater and improve water quality.1