| (subclass EnvironmentalIssue AreaOfConcern) | Geography.kif 6818-6818 | 子類 環境問題 and 關注的區域 |
| (subclass SoilQualityIssue EnvironmentalIssue) | Geography.kif 6826-6826 | 子類 土壤品質問題 and 環境問題 |
| (subclass EnvironmentalWaterIssue EnvironmentalIssue) | Geography.kif 6830-6830 | 子類 環境水問題 and 環境問題 |
| (subclass PollutionIssue EnvironmentalIssue) | Geography.kif 6842-6842 | 子類 污染問題 and 環境問題 |
| (subclass BiodiversityIssue EnvironmentalIssue) | Geography.kif 6853-6853 | 子類 生物多樣性問題 and 環境問題 |
| (subclass DiseaseConditionsIssue EnvironmentalIssue) | Geography.kif 6882-6882 | 子類 疾病狀況問題 and 環境問題 |
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