What is Environment?

To give the actual definition of environment is too difficult, because the word environment means everything that are co-related with each other’s. It may be a geographical area, surroundings or conditions, natural world, living things, non-living things, biosphere etc. To give the proper definition to environment there are few points collect from various authors and books.

The circumstances or conditions that surround one.

The combination of external physical conditions that affect and influence the growth, development and survival of organisms.

Environment is everything that is around us. It can be living or nonliving things. It includes physical, chemical and other natural forces.

Environmental Science:

It is an interdisciplinary academic field that integrates physical, biological and information sciences to the study of the environment, and the solution of environmental problems. It includes ecology, biology, physics, chemistry, plant science, zoology, mineralogy, oceanology, limnology, soil science, geology and physical geography (geodesy), and atmospheric science.
The branch Environmental Science is combination of following topics

Fundamentals of Environment:

This topic teach about the different meaning and definitions of environment, types of environment, nature, scope and components of environment, relation of human being and other living, non-living being with environment and Bio-Chemical cycles etc.

Ecology and Ecosystem:

Ecology is a part of Environment Science that gives the knowledge about Ecology concept, Ecosystem Concept, various stages and types of ecosystem and its functions, productivity, food chain and food webs.
Population and Environment: This describes us about the population, increase and decrease of population, population ecology, population dynamics, relationship, difficulties etc.

Land Resources: This chapter gives details knowledge about Soil, Land use, Waste lands, Desertification etc.

Water Resources: Requirements of water, future water position, water waste, water pollution, water resources, pollution of ground water and river water, water properties and various hydrological cycles.

Air Resources: This includes the and teach us about the atmosphere, atmospheric structure, air, air pollution, effect of air pollution on human health as well as other living beings, ways to rectify the problems, global effects of air pollutions etc.

Energy Resources: Energy is the capacity to do work and is required for life processes. An energy resource is something that can produce heat, power life, move objects, or produce electricity. Matter that stores energy is called a fuel. Human energy consumption has grown steadily .throughout human history.