| (subclass EnvironmentalIssue AreaOfConcern) | Geography.kif 6818-6818 | EnvironmentalIssue est une sous-classe de AreaOfConcern |
| (subclass SoilQualityIssue EnvironmentalIssue) | Geography.kif 6826-6826 | SoilQualityIssue est une sous-classe de EnvironmentalIssue |
| (subclass EnvironmentalWaterIssue EnvironmentalIssue) | Geography.kif 6830-6830 | EnvironmentalWaterIssue est une sous-classe de EnvironmentalIssue |
| (subclass PollutionIssue EnvironmentalIssue) | Geography.kif 6842-6842 | PollutionIssue est une sous-classe de EnvironmentalIssue |
| (subclass BiodiversityIssue EnvironmentalIssue) | Geography.kif 6853-6853 | BiodiversityIssue est une sous-classe de EnvironmentalIssue |
| (subclass DiseaseConditionsIssue EnvironmentalIssue) | Geography.kif 6882-6882 | DiseaseConditionsIssue est une sous-classe de EnvironmentalIssue |
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