Environmental Studies

1. INTRODUCTION TO
ENVIRONMENTAL SCIENCE
Dr.C.Rajalakshumi M.B.A.,M.Phil.,PGDCA.,Ph.D,
Assistant Professor, VVV College, Virudhunagar.

2. Environment
Dr.C.Rajalakshumi,VVV College, Virudhunagar.
• Environment means surroundings.
• It is the sum total of water, air, and land,
interrelationships among themselves and
also with the human beings, other living
organisms and property

3. Dr.C.Rajalakshumi,VVV College,
Virudhunagar.

4. Environmental Science
• Environmental science is the study of the effects of natural
and unnatural processes, and of interactions of the physical
components of the planet on the environment.
• The science of Environment studies comprises various
branches of studies like chemistry, physics, life science,
medical science, agriculture, public health, sanitary
engineering, geography, geology, atmospheric science, etc.
Dr.C.Rajalakshumi,VVV College, Virudhunagar.

5. Dr.C.Rajalakshumi,VVV College,
Virudhunagar.

6. USES OF ENVIRONMENT
• Provides substram for man tolive
• It supplies food
• It Supplies oxygen for respiration
• It supplieswater
• It supplies carbondioxideforphotosynthesis
• It suppliesenergy resources such as
coa,petro,disel etc.,
Dr.C.Rajalakshumi,VVV College, Virudhunagar.

7. Dr.C.Rajalakshumi,VVV College,
Virudhunagar.

8. Importance of Environmental
studies
• Includes Abiotic factors (non –living) like water,soli, air, etc and Biotic
factors (living being) like plants and animals including Human.
• Educates that environment is the common house for human population,
plants and animals.
• We food, O2, water, shelter and natural resources from the environment.
• Creates awareness on environment
• Builds bridge between biology and technology
• Provides knowledge for conserving biodiversity
• Gives idea about the more sustainable way of living
• Helps to attain harmony with nature
Dr.C.Rajalakshumi,VVV College, Virudhunagar.

9. Dr.C.Rajalakshumi,VVV College,
Virudhunagar.

10. Elements of Environment
(1) Physical elements
Physical elements are space, landforms, water bodies, climate, soils,
rocks and minerals. They determine the variable character of the human
habitat, its opportunities as well as limitations.
(2) Biological elements
Biological elements such as plants, animals, microorganisms and men
constitute the biosphere.
(3) Cultural elements
Cultural elements such as economical, social and political elements
are essentially man- made features, which make the cultural background.
Dr.C.Rajalakshumi, VVV College, Virudhunagar.

11. Dr.C.Rajalakshumi,VVV College, Virudhunagar.

12. ENVIRONMENT ISSUES
• It has been well recognized that environment
issues like global warming and ozone
depletion, acid rain, marine pollution and
biodiversity are not merely national issues but
are global issues and hence require
international efforts and cooperation to solve
them.
• Agricultural experts have recognized soil
health problems like deficiency of
micronutrients and organic matter, soil salinity
and damage of soil structure.
Dr.C.Rajalakshumi,VVV College, Virudhunagar.

13. Dr.C.Rajalakshumi,VVV College,
Virudhunagar.

14. basic requirements of
environmental management
An environmental management system (EMS) is "a
system and database which integrates procedures and
processes for training of personnel, monitoring, summarizing,
and reporting of specialized environmental performance
information to internal and external stakeholders of a firm".
1. Impact of human activities on the environment
2. Value system
3. Plan and design for sustainable development
4. Environment education.
Dr.C.Rajalakshumi,VVV College, Virudhunagar.

15. THANK
YOU
Dr.C.Rajalakshumi,VVV College,
Virudhunagar.