1. Sustainability
&
Life Cycle Approach
A Scientific Way to Look at
Going Green!

2. Life Cycle Thinking: CASE STUDY
RESULT : Same for both students
CASE I : Studies Regularly CASE II :Studies one night before exam

3. What does it mean to be Green?? What is
Sustainability??
What does it mean to be Green?? What is
Sustainability??
What does it mean to be Green?? What is
Sustainability??
What does it mean to be Green?? What is
Sustainability??
What does it mean to be Green??
What is Sustainability??

4. Sustainability
United Nations World Commission on Environment and Development (1987)
Sustainable Development definition:
“… development that meets the needs of the present without
compromising the ability of future generations to meet their own
needs.”

6. Basis: 50,000 Lighting hour

8. 7 times Increase of CO2 in Last 50 years

10. Being Green is Trendy . . . . . . . . . . .
What Does Science Say?
• Industry is looking for ways
to green their products and
manufacturing processes.
• Individuals and Families are
looking to green their
homes and lifestyles.
• How can you tell if
something really is green??
• What is currently happening
to achieve this goal?
• Scientists perform a Life
Cycle Analysis
www.scienceinthebox.com

11. e Book V/S Paper Book
Which is more green ??
How & Why?

12. Life Cycle Approach
Taking account of the environmental, social, economic impacts of a product
over its entire life cycle

13. www.davidreport.com

14. Course Of Action

15. Definition:
“Compilation and evaluation of the
inputs, outputs and the potential
environmental impacts of a product
system throughout its life cycle”
This establishes an environmental
profile of the system!
WHAT CAN BE DONE
WITH LCA?
1.Product or project
development and
improvement
2.Strategic planning
3.Public policy making
4.Marketing and eco-
declarations
www.davidreport.com

16. Items To Consider??
Inputs
What is needed to make
the substance!
1. Energy
2. Materials
3. Labor
Outputs
What comes out of the
system!
1. Products (electricity,
materials, goods,
services)
2. Waste
3. Emissions
4. Co-products

17. Case Study : LCA of a T-Shirt

18. Answer..

19. LCA in Action: Think About It!
Paper Plate vs. China (Plate You Wash & Reuse)
 What is the function?
 What is the functional
unit?
 What materials &
resources are used?
 What does it take to
produce both?
 What are the impacts
to the environment?
 Is there waste?
 Does washing the
China produce waste?
 What types of data do
you need?
 How do you know
which is better?