Disease management (environmental engineering) is a systematic approach focused on preventing, controlling, or mitigating the incidence and spread of diseases, particularly those affecting plants, animals, or humans within environmental or agricultural systems, through the application of principles, technologies, and practices derived from environmental engineering. This involves manipulating or managing environmental factors (e.g., water quality, waste treatment, air circulation, soil conditions, climate-related variables) that influence pathogen survival, transmission pathways, host susceptibility, or vector populations. It seeks to create environmental conditions that suppress disease pathogenesis and reduce disease burden, often integrated within broader strategies for climate-resilient environmental technologies and sustainable farming systems.