Basic Environtmental engineering

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Environmental engineering is one of the most popular, complex and fast growing disciplines in
engineering. The scope of environment includes issues from public health, aesthetics, and impact
of all development activities, pollution control legislation, standards, regulations, guidelines and
their enforcement. Traditionally the application of engineering principles for the protection and
enhancement of the quality of environment and protection of public health was called as sanitary
engineering or public health engineering. Around 1968 this was changed to environmental
engineering.
For conceiving environmental engineering, one has to consider the definition of engineering
itself. Engineering may be defined as the application, under limits of scientific principles for the
planning, design, execution, operation and maintenance of structures, equipment and systems for
the development and benefit of the society. Here the word benefit is more important than the
development. The so-called development in some cases may not be in real benefit of the society.
The environmental engineer plans, designs, executes, operates and maintains the water,
wastewater and solid waste management plants. Clean, bacteriologically safe, potable drinking
water protects and enhances public health. Liquid and solid waste management is a necessary step
for healthy living. They also deal with air pollution control. The resulting pure cleaner air is conducive
to people’s good health and prevents the building and other materials from the harmful effects of air
pollution. The environmental engineer cares for the energy requirements of the society and the ways
and means to protect the environment against the various pollutions created through the production
and consumption of various goods and comfort conditions. It is the duty of environment engineer to
assess the environmental impacts of the various development and other activities. In general one has
to work to have sustainable and holistic development. Of course there are always constraints of
resources, knowledge, human nature, social and racial considerations that limit the achievement of
these goals.


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