Natural Resources by Er. Rohit Kumar

8/7/2019 Natural Resources by Er. Rohit Kumar

1/14

By:-Er. Rohit Kumar ->+919166538002

Natural resources are valuable substances that occurNatural resources are valuable substances that occurnaturally in our environment.naturally in our environment.


2/14

RENEWABLE ENERGY RESOURCES

NON-RENEWABLE ENERGY RESOURCES


3/14

RENEWABLE ENERGY RESOURCES

WATER

SOLAR

BIOMASS

GEOTHERMALWIND


4/14

WATER(HYDROPOWER )y Hydropower is power that is derived from the force or energy ofmoving water.

y Can be used to produce electricity and operation of various machines,such as watermills, textile machines, sawmills and domestic lifts.

y Tidal power is also a form of hydraulic energy.y Setup is too costly.


5/14

SOLAR ENERGY

Solar EnergySolar Energy--The Energy which We Get From Sunlight.The Energy which We Get From Sunlight. Nearly every organism on the planet gets energy through photosynthesis,Nearly every organism on the planet gets energy through photosynthesis,

directly or indirectly.directly or indirectly.

Can Be Used As Electric Generation, Solar Lighting, Solar Thermal, WaterCan Be Used As Electric Generation, Solar Lighting, Solar Thermal, Water

Treatment, CookingTreatment, Cooking e.t.ce.t.c..

Doesnt produce pollution.Doesnt produce pollution. Cant Be Used At Night.Cant Be Used At Night.


6/14

BIOMASS It Is Produced By Biological material from living or recently living

organisms, such as wood, waste, (hydrogen) gas, and alcohol fuels.

to generate electricityor produce heat.

Doesnt Produce Pollution.


7/14

GEOTHERMAL ENERGY

It Is The Power extracted From the Heat Stored In The Earth. Originates From radioactive decay of minerals, from volcanic activity

and from solar energy absorbed at the surface.

cost effective, reliable and sustainable.

Used for producing electricity(18550MW ), district heating, direct

heating, industrial processes and agricultural applications. Can contribute toGlobal Warming andAcid Rain.


8/14

WIND ENERGY Wind power is the conversion of wind energy into a useful form of

energy, such as for wind turbines, wind mills, wind pumps, or sails topropel ships.

Provides 2% of worldwide electricity usage .

Doesnt Cause Pollution.

Need High Pressure Of Air.

It Could Hurt Migrated Birds.

Setup is too costly.


9/14

NON-RENEWABLE RESOURCESA non-renewable resource is a natural resource that exists in a fixed

amount that cannot be re-made, re-grown or regenerated as fast as it isconsumed.

xamples:-Fossil fuels(mineral oils, coal, petroleum and natural gas)and nuclear power (uranium).


10/14

FOSSIL FUELS AND MINERALSCoal, Petroleum and NaturalGas are Fossil fuels.Coal, Petroleum and NaturalGas are Fossil fuels.TThese are nonhese are non--renewable resources which occur naturallyrenewable resources which occur naturally

by geological process.by geological process.Its consumption rate is much higher than its production.Its consumption rate is much higher than its production.Being used by all human beings as its setup is easy and cheap.Being used by all human beings as its setup is easy and cheap.

Not environmentNot environment--friendly.friendly.

Use of L.P.G. for vehiclesUse of L.P.G. for vehiclesCoalCoal

status of conventional oil


11/14

DISADVANTAGE OF NON-RENEWABLE

RESOURCES Cant be regenerated

Mining leads to irreversible damage to the adjoining environment.

Harmful By-Products Causing Pollution.

Causes Global Warming and Acid rain.

Prices are continuously increasing .


12/14


13/14

QUERIES??????


14/14

Documents

Natural Resources by Er. Rohit Kumar