Education has the opportunity to develop creative individuals who have ideas and solutions in responding challenges and providing solutions the problems in the 21st century. The research conducted to measure the relationship between students' creative thinking skills in solving environmental problems with the achievement of the Environmental Education course. The study population included all students of the Uhamka Biology Education study program semesrer III 2019 and the sample of this study was 48 students. The instrument resesearch were essay questions and the value of Environmental Education course. Data correlation analysis used linear regression test using SPSS. The results showed the significance value of the linearity test was 0.831> 0.05, which indicated that there was a significant relationship between students' creative thinking skills in solving environmental problems with the environmental education course achievement. The result regression equation Y = 62,139 + 0,310X. Hypothesis testing results in t value (6.187)> t table (2.021), which indicates that there is an effect of students' creative thinking ability in solving environmental problems on the achievement of Environmental Education subjects.Coeficient correlation 67,4 and R Square is 0.454 , which shows contribution of students' creative thinking skills in solving environmental problems on environmental education course achievement is 45,4%.