The Division of Environmental Health Solutions (DEHS) is dedicated to improving the high-quality of life by defending public health, advertising safety and stopping environmental hazards so these who reside, check out and invest can prosper and realize well-becoming. EHA is proud to be a member of the International Federation of Environmental Health (IFEH) which means our members are part of the worldwide environmental health community. Environmental health practice addresses emerging health risks arising from the pressures that human improvement places on the atmosphere. Three fundamental disciplines usually contribute to the field of environmental health: environmental epidemiology, toxicology, and exposure science. Those aspects of the human health and illness that are determined by components in the atmosphere.