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Green Industries THJ3M THJ4M: Fundamentals

Looks at the role of green technology in several spheres

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"Advantages of Green Technology | Disadvantages of Green Technology - 
Source of Article:
This page covers advantages and disadvantages of Green Technology.
It mentions Green Technology advantages or benefits and Green 
Technology disadvantages or challenges.   
The technology which builds products and systems to help in 
conserving natural resources and environment is known as green technology. 
It is technology which is environment friendly and hence known as 
environmental technology or clean technology. It uses innovative methods to 
create environmental friendly products.The need of green technology 
arises due to the fact that natural resources are declining and 
pollution has increased due to abundant use of non renewable sources.
Products, systems or equipments based on green technology satisfy following 
features or characteristics.
• It should reduce or minimize degradation of natural environment around us.
• It should have zero or minimum emission of green house gases.
• It should be safe to use and should promote healthy environment for all the 
forms of life including humans, birds, animals etc.
• It should help in conservation of energy as well as natural resources 
such assolar, water, wind etc.
• It should promote use of re-newable resources.
Goals of Green Technology

The figure-1 mentions goals or functions of green technology. 
They are reduce (fuels, waste, energy consumption etc.), recycling 
(of paper, plastic, can, batteries, clothing etc.) , renewing 
(renewing energy such as wind power, water power, solar energy, bio-fuel,
waste water etc.), Refuse (the use of plastic bags) and responsibility.
Here term "responsibility" refers to following responsibilities by the 
people of our nation:
• Do not waste electricity i.e. switch off electrical equipment 
when not needed.
• Do not waste water i.e. never leave taps open while 
brushing teeth or washing plates.
• Do not waste fuel.
• Do not waste food.
Part 2 "Advantages of Green Technology | Disadvantages of Green Technology - 
Source of Article:

Green Technology Applications
The major applications of green technology include following.
• Energy sector
• Building sector
• Water and waste management sector
• Transport sector
• Solar power sector
Benefits or advantages of Green Technology
Following are the advantages of Green Technology:
➨It does not emit anything harmful for the environment.
➨It has become popular as consumers of the technology are becoming 
more environment conscious. This will give benefits to investors at 
long run in certain areas.
➨It requires less cost for maintenance. This reduces operating cost 
and hence overall cost on the long run.
➨As it uses renewable natural resources and hence we will never run 
out of vital resources such as water and electricity.
➨It will slow down effects of global warming due to reduction 
in CO2 emissions.
Challenges or disadvantages of Green Technology
Following are the disadvantages of Green Technology:
➨Initial investment or implementation cost is very high.
➨People are still not familiar with the technology and 
hence will take time to adopt it for larger population.
➨The technology is still evolving and many of the products 
are at R&D stage. Hence people are unaware of performance results.
➨Lack of skilled human resources are available to install 
or implement the green technology based products or systems.
➨In most of the countries policies have not been finalized for 
the green technology based systems."

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