Environmental engineering refers to the integration of engineering principles and environmental science to address various environmental concerns and improve the quality of life. There are several synonyms that can be used for this term. One such synonym is sustainable engineering, which refers to the use of engineering principles that aim to have minimal impact on the environment while meeting societal needs. Another synonym is ecological engineering, which focuses on creating environmental solutions that mimic natural ecosystems in order to restore or maintain their balance. Environmental systems engineering is also a synonym that emphasizes the use of engineering to manage complex environmental systems. These synonyms highlight the breadth and diversity of environmental engineering as a field of study and practice.