Environment degradation due to massive size of population in the world and rapid urbanisation is very worrying. Sole reliance towards government initiatives is not enough to increase the rate of 3R (Reuse, Reduce, Recycle) practices in which this study mainly focuses on behavioural intentions of individuals to keen on environmental care activities by using Theory of Planned Behaviour constructs with additional variables. This study embraced cross-sectional design with the aim of 381 and 384 respondents who live in Sarikei and Shah Alam respectively. The findings revealed significant factors of attitude towards environmentally friendly products, subjective norm, perceived behavioural control, environmental concern and self-efficacy in both research location of Sarikei and Shah Alam. Additional constructs in this study which is self- efficacy become major determinants that ignite the intention among residents in both Sarikei and Shah Alam to adopt 3R practices. Therefore, intensive supportive system and inclusive policies should be established in order to expedite community engage actively in 3R practices.