General problems of environmental contamination, scope of environmental science and technology, some considerations to the development of Korean environmental technology, and G-7 environmental engineering technology Projects were shortly reviewed, And four different strategies for innovation of Korean environmental technology. First, development of Energy Policy and environmental technology based on the pro - environmental thought; second, development of systematic environmental science and technology : third, strengthening of pre- deliberation for imported foreign technology and promotion of utilization of native developed technology; finally, maximization of abilities for researchers and engineers in environmental technology field.