Environmental health is important to well being of mankind

Environmental Health Sciences is the subject which deals with the control of physical, chemical, and biological hazards in public health. With the spread of communicable disease the relevance of this subject is growing by the day. It is lays stress on sewage disposal, water quality control and checking emission of harmful components in the air. Today study of environmental health has expanded to global issues related to population explosion. Other issues which have become part of this subject include global warming and ozone depletion. Many other controversial issues, with severe ramifications on public health are also being studied and evaluated.