对所有人和所有社区来说，对健康环境的需求是普遍的。由于经济和技术进步带来的变化，对环境卫生服务的需求非常复杂。在环境卫生领域中对技术人员的需求不断增长。经济和技术进步带来的许多问题需要经过全面培训的环境卫生专家。
The need for a healthful environment is common to all peoples and to all communities. The needs for environmental health services are complex because of changes brought about by economic and technological advances. There is an increasing need for technical personnel in the field of environmental health. The many problems brought about by economic and technological advances require a comprehensively trained specialist in environmental health.