The document discusses renewable and non-renewable resources. Renewable resources, such as oxygen, fresh water, and biological products, can be replenished through natural cycles. Non-renewable resources, including coal, oil, and natural gas, form over long periods of geological time and cannot be regenerated on a human timescale. The document provides examples of recycled resources like glass that can be reprocessed, as well as non-recycled resources like coal that cannot be reused once depleted.

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ENVIRONMENTAL STUDIES
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What is Renewable Energy Resources
The energy resources which cannot be exhausted and can be used again and
again are called renewable energy resources. For example solar energy, wind
energy, tidal energy and hydroelectric etc.
What is Non-Renewable Energy Resources
The energy resources which can be exhausted one day and cannot be used
repeatedly are called non-renewable energy resources. The example of non-
renewable energy resources are coal, petroleum, natural gases etc.

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• Resources
 Anything we get from environment to
meet our needs and desires is
resource.
 In case of humans , a resource is any
form of energy or matter essential for
fulfillment of physiological, socio-
economics and cultural needs at
individual level or community level.
 Five basic ecological

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Classification Of
Resources

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On the basis of
availability

6. S. No Renewable energy resources Non-renewable energy resources
1. It can be used again and again throughout its life. It cannot be used again and again but one day it will
be exhausted.
2. These are the energy resources which cannot be
exhausted.
They are the energy resources which can be exhausted
one day.
3. It has low carbon emission and hence environment
friendly.
It has high carbon emission and hence not
environment friendly.
4. It is present in unlimited quantity. It is present in limited quantity and vanishes one day
5. Cost is low. Cost is high.
6. Renewable energy resources are pollution free. The non-renewable energy resources are not pollution
free.
7. Life of resources is infinite. Life of resources is finite and vanishes one day.
8. It has high maintenance cost. It has low maintenance cost as compared with the
renewable energy resources.
9. Large land area is required for the installation of its
power plant.
Less land area is required for its power plant
installation.
10. Solar energy, wind energy, tidal energy etc are the
examples of renewable resources.
Coal, petroleum, natural gases are the examples of
non-renewable resources

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SUMMARY OF RENEWABLE VS NON-RENEWABLE RESOURCES
 The renewable energy resources can be depleted and used again and again. But the
non-renewable resources are limited in number and can be depleted one day.
 The carbon emission in renewable energy resources are very low and prevent global
warming. In non renewable resources the carbon emission is large and contributes in
global warming.
 The renewable resources are cheaper and present in unlimited quantity but the non-
renewable resources are costlier and present in limited quantity.
 The life of renewable resources is infinite. In case of non-renewable resources the
life is finite.
 The maintenance cost for the power plant of renewable energy resources is low but
it is high in the case of non-renewable energy resources.
 Solar energy, wind energy, tidal energy and geothermal energy are called as
renewable resources. Coal petroleum, natural gas, are called non-renewable
resources.

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On basis of ownership

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Renewable
Resources
• These
resources are
replenished
through
relatively
rapid natural
cycles.
• Eg.oxygen,fr
esh
water,biologic

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 Oxygen in air is replenished through
photosynthesis.
 Fresh water is replenished through water
cycle.
 All biological product are replenished
through natural cycle.
 Solar energy is considered as renewable
energy resource as on human time scale
it is inexhaustible.
 All resource which can be renewed in
hours or several decades through natural
process are renewable resource.
 Potentially renewable resources can be

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Non-
renewable
Resources.
• A non-
renewable
resource (also
called a finite
resource) is a
resource that
does not renew
itself at a
sufficient rate
for sustainable
economic
extraction in

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Non-renewable resources
 Non-renewable resources are
further classified in:-
1.Non-renewable resources which can
be recycled.
Eg-ores,fertilizer,bottles etc.
2. Non-renewable resources which
cannot be recycled.
Eg-coal,oil,natural gas etc.

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Recycled resources.
Recycling involves collecting and reprocessing a resource in a new product.
Glass bottle can be crushed and melt to make new bottles is recycling.
Reuse involves in using a resource over and over.

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Mineral resource becomes economically depleted when the cost of finding ,
extracting, transporting and what is left exceeds the amt earned from them.
At that point we have five choices
Recycle or reuse.
Waste less.
Use less.
Try to develop a substitute.
Wait for millions of years for more to be produced.

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Non-recycled resources.
On a time scale of millions of year such resources can be renewed by geological
processes.
However on much shorter human time scale of hundreds of resources these
resources can be depleted much faster than they are formed

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Nuclear energy
Nuclear fission
uses uranium to
create energy.
Nuclear energy is a
nonrenewable
resource because
once the uranium

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Coal, petroleum,
and natural gas are
considered
nonrenewable
because they can
not be replenished
in a short period of
time. These are
called fossil fuels.
COAL,
PETROLEUM,
AND GAS

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CONSERVING
NATURAL
RESOURCES
To conserve natural resources,
you should try to use them only
when necessary.
3 R’s
Reduce
Reuse
Recycle

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Stop deforestation
go for
afforestation

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Use of
alternate fuels

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Form national park and
sanctuary

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Conserve and maintain
resources
• For sustainable
development

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