Environmental Science - Lesson 1: Definition, Scope and Importance
Boring
'A person's environment consists of the sum total of the stimulation which he receives from his conception until his death.' Indicating that environment comprises various types of forces such as physical, intellectual, mental, economical, political, cultural, social, moral and emotional.
Douglas and Holland
'The term environment is used to describe, in aggregate, all the external forces, influences and conditions, which affect the life, nature, behaviour and the growth, development and maturity of living organisms'.
Environmental Science
deals with the study of processes in soil, water, air and organisms which lead to pollution or environmental damages and the scientific basis for the establishment of a standard which can be considered acceptably clean, safe and healthy for human beings and natural ecosystems.
by what is surrounded
environment refers to the sum total of conditions surround in space and time
Environment Protection Act 1986
As give by _______________ Environment is the sum total of land, water, air, interrelationship among themselves and also with the human beings and other living organisms.
Environmental studies
It is the science of physical phenomena in the environment. It studies the sources, reactions, transport, effect and fate of a biological species in the air, water and soil and the effect of and from human activity upon these.
Atmosphere
The Atmosphere forms a distinctive protective layer about 100 km thick around the earth. It saves it from the hostile environment of outer space. The atmosphere is composed of nitrogen and oxygen besides, argon, carbon dioxide and trace gases.
- what is surrounded, - by what surrounded and - where surrounded
The Environment is about the surrounding external conditions influencing development or growth of people, animal or plants; living or working conditions etc. This involves three questions ie.,
Jacob Van Uerkal (1864-1944)
The biologist _____________________ introduces the term 'environment' in Ecology.
atmosphere, hydrosphere, lithosphere and biosphere
The environment consists of four segments of the earth namely
'Environner'
The word 'Environment' is derived from the French word _______________ which means to encircle, around or surround.
Environmental studies
is a multidisciplinary subject where different aspects are dealt with in holistic approach.
Environment
is about the surrounding external conditions influencing development or growth of people, animal or plants; living or working conditions etc.
Environmental Science
is the interdisciplinary field and requires the study of the interactions among the physical, chemical and biological components of the Environment with a focus on environmental pollution and degradation.
what is surrounded
living objects and man in particular
where surrounded
nature that physical component of the planet earth, viz land, air, water etc., support and affect life in the biosphere