Ideologies of Environmental Engineering is planned for a development in initial environmental engineering for sophomore- or junior-level scholars. This manuscript runs a circumstantial in important knowledge and engineering ideologies of environmental engineering for scholars who may or may not become environmental engineers. Ideologies spaces more importance on technical values, morals, and security, and attentions less on engineering plan. The manuscript exposures scholars to a wide variety of environmental subjects-plus danger organization, water quality and conduct, air contamination, dangerous waste, solid waste, and ionizing radiation as well as debate of related rules and applies. The manuscript also applies physique and energy balance as an instrument for considerate environmental procedures and resolving environmental engineering issues.