Environment - All about it

Environment 

Our surroundings. Consists of

1. Natural 
1. Biotic
2. Abiotic
2. Man-made

Now we are surrounded by both living and non-living things.
Living things - Biotic component (Plants, Animals and microorganisms)
Non-living things - Abiotic component (Land, water, air and energy)

Abiotic Components

1. Land (Lithosphere)
2. Water (Hydrosphere)
3. Air (Atmosphere)

Biotic Components

1. Plants (Natural Vegetation)
2. Animals  (Wildlife)
3. Microorganisms

More in Biotic components here

Initiatives not to degrade the environment

At National Level

MoEF is the nodal agency.
Objectives :
1. Conservation of natural resources
2. Prevention and abatement of pollution
3. Welfare of animals (out of scope here)

Constitutional Provisions

1. DPSP : To protect and improve the environment and to safeguard forest and wildlife. (Art 48A added by 42nd am.)
2. F. Duty : To protect and improve natural environment including forests, lakes, rivers and wildlife and to have compassion for living creatures.

Laws 

1. Environment Protection Act (1986)
2. Water Act
3. Air Act
4.