Environmental studies as a subject has a wide scope. It includes a large number of areas and aspects.

which may be summarized as follows:

• Natural resources- their conservation and management 
• Ecology and Biodiversity 
• Environmental pollution and control 
• Human population and environment 
• Social issues in relation to development and environment

Several career options have emerged in these fields that are broadly categorized as: 

• Research and development in environment 
• Green advocacy 
• Green marketing 
• Green media 
• Environmental consultancy