<![CDATA[The purpose of this study was to determine the learning outcomes of environmental education integrated with science subjects using information technology applications on domestic waste, wastewater sanitation, and air pollution, which teachers currently find difficult to achieve. The study used an action method, namely: (1) the design phase of lesson plans, information technology devices, and learning materials; (2) the implementation phase of learning devices validated by education experts and information technology experts for suitability before being implemented in 35 classes using a purposive sampling technique; (3) the evaluation phase, which presented the validation results of the lesson plans for all components assessed in the very valid category with an average score of 3.7. The information technology application validation results were in the very valid category with an average score of 3.7. The learning outcome data were analyzed in descriptive statistics, obtained an average learning outcome of 76.0 for domestic waste, soil pollution, and air pollution. 31 students achieved a high level of mastery of environmental education learning materials, representing 88.4% of the students, indicating that they achieved a high level of mastery of the learning outcomes for domestic waste, soil pollution, and pollution. It is concluded that integrating environmental education into science subjects in vocational schools using information technology media can overcome teachers' difficulties in presenting material and evaluating mastery.]]>
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