| Urban Flood Response |  |
 | The risk of localized heavy rainfall in a short period has surged by climate change. |
 | Increasing social costs associated with the risk of urban flooding. |
 | Rising demand for flood prevention as stipulated by the Sewerage Act of the Ministry of Environment. |
 | Discussions on the establishment of urban sewer pipeline GIS and linkage measures. |
| Response to Odor Complaints |  |
| The Ministry of Environment has designated and manages 22 major odor-causing substances. |
| The need is increasing for effective odor reduction measures. |
| There is a growing necessity to build a systematic and effective odor management network. |
| The number of fatalities caused by toxic gases emitted from sewer manholes is rising. |
