ABET LogoBiosystems Engineering is the field of engineering most closely allied with advances in biology. BE emphasizes two main areas - bioprocess engineering, with its basis in microbiology, and ecological engineering, with its basis in ecology. The field focuses on the sustainable production of biorefinery compounds (biofuels, bioactive molecules, and biomaterials) using metabolic pathways found in nature and green processing technologies. Further, BE encompasses the design of sustainable communities utilizing low-impact development strategies (bioretention basins, rainwater harvesting) for stormwater retention and treatment - and ecologically-sound food and energy-crop production. Scientific emphasis is shifting toward the biosciences. Biosystems engineers apply engineering design and analysis to biological systems and incorporate fundamental biological principles to engineering designs to achieve ecological balance.

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