The aim of the research project is to demonstrate the effectiveness, permanence and awareness created by the nature project. Participants of this study consist of 37 students selected through purposeful sampling among 286 science education teacher candidates from four different universities. Experimental method based on qualitative research has been carried out in accordance with pre-test, post-test and retention test design. Data analyses reveal that there is a significant difference in favor of post-test and retention test as a result of pre-test, post-test and retention test analyses of the environmental perception, environmental behavior and renewable energy attitude scale. This case asserts that activities carried out and applied training are effective and permanent. (C) 2015 The Authors. Published Elsevier Ltd.