Environmental Definition

Hello sir I want to know how can I define Environmental term so here can you please give me its details ?

[Pathak]

Hey as The sum total of all surroundings of a living organism, including natural forces and other living things, which provide conditions for development and growth as well as of danger and damage.
Definitions
According to P. Gisbert “Environment is anything immediately surrounding an object and exerting a direct influence on it.”
According to E. J. Ross “Environment is an external force which influences us.

Components of Environment:

Environment mainly consists of atmosphere, hydrosphere, lithosphere and biosphere. But it can be roughly divided into two types such as
Micro environment and
Macro environment. It can also be divided into two other types such as
Physical and
biotic environment.

Micro environment refers to the immediate local surrounding of the organism.

Macro environment refers to all the physical and biotic conditions that surround the organism externally.
Physical environment refers to all abiotic factors or conditions like temperature, light, rainfall, soil, minerals etc. It comprises of atmosphere, lithosphere and hydrosphere.
Biotic environment includes all biotic factors or living forms like plants, animals, Micro-organisms.