Background: Nurses have an incredible opportunity, role, and chance to coach and inspire the public to play a role against climate change. They are trustworthy healthcare professionals. The aim of this study: was to evaluate the effect of educational program regarding climate change on nursing students' awareness, attitude, and practices. Design: a quasi-experiment with a pre-/post-test experimental model was applied. Setting: this study was carried out at the faculty of nursing at Suez Canal University in Ismailia City. Sample: 200 nursing students were included in this study. Tools: nursing students' socio-demographic characteristics and knowledge assessment; perception; and daily life practices Likert scale questionnaire was used for data collection pre-and post-program implementation. Results: showed that the majority of the students had little to no background information about climate change and their main sources of information were their school and social media. The study also revealed that there was a significant difference in the students' knowledge and perceptions of climate change before and after implementing an educational program. Additionally, the study found that there were significant differences in the students' attitudes and environmental practices before and after the program. The results also showed a positive correlation between awareness, attitude, and practice scores. Recommendations: taking information from sources documented in references and scientific books.