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