3 r's of environment
TRANSCRIPT
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3RS OF
ENVIRONMENTALCONSERVATION
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3 RS OF ENVIRONMENTAL
CONSERVATION
PRESENTED BY: SIMRANJEET KAUR & SHIKHA
XB
J.N.V.,SECTOR 25(W)
CHANDIGARH
GUIDED BY: MRS. ANOOPA THAKUR
PGT(BIO)MRS. ARCHANA WALIA
COMPUTER TEACHER
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DO YOU KNOW?
Every year we throw away 50 billion food & drink
cans,27 billion glass bottles and jars,65 million plastic
& metal jar and can covers.
More than 30% of our waste is packaging materials.
85% of our garbage is sent to dump,or landfill where
it takes 100 to 400 years for things like clothes &
aluminum to decompose.
Glass has been found in perfect condition after even
4,000 years in earth!
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CONTRIBUTION OF SOLID WASTE BYAN AVERAGE INDIAN One third of the solid
waste is comes from
Kitchen.
Another one third isin the form of one
third of the Paper.
Rest of one third is in
the form of Cans,Polythene, Glass
bottles etc.
KitchenwastePaper
CansPolytheneBottlesetc.
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3RS OF ENVIRONMENTAL
CONSERVATION
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REDUCE
REDUCE MEANS TO PRODUCE
LESS AMOUNT OF WASTE SOME TIPS TO
REDUCE THE WASTE:-
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RE U E
#Buy products that
dont have a lot of
packaging.
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CARS, BIKES,
SCOOTERS USE
POLLUTION AND USE
A LOT OF PETROLOR DIESEL.TO AVOID
IT :
USE PUBLIC
TRANSPORT, CYCLEOR GO FOR CAR
POOLING
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o USE COMPUTER TOSEND YOUR MESSAGES,LETTERS ANDGREETINGS IN PLACE OF
LETTERS ON PAPER ORGREETING CARDS.
o READ ON LINENEWSPAPER ANDMAGAZINES.
o WRITE ON THE BOTHSIDES OF PAPER
o USE COMPUTER TYPING.IT SAVES THE PAPER
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Start a compost bin. Setaside a place in your yardto dispose certain food &
plant materials.Overtime,the materials willbreak down throughDecomposition.Thecompost is good for thesoil in your yard.
#Save energy by turning offlights that u r not using.
#Save water by turning offthe tap while brushingyour teeth.
#Use plastic containers &reusable lunch bags totake lunch to school oroffice.
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REUSE
SOME MATERIALS CAN BE
REUSED, SO IN PLACE OFTHROWING THEM, REUSE
THEM:
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USE CLOTH SACKSFOR SHOPPING.
USE PLASTIC
CONTAINERS &REUSABLE LUNCHBAGS.
USE COFFEECANS,BOXES &OTHER CONTAINERSTO MAKE FUN ARTS& CRAFT PROJECTS.
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IN PLACE OF USING
THE DISPOSABLEPLASTIC UTENSILS
AND PLATES, USE
SILVERWARE,
ALUMINIUM WARES.
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CREATION OF ROCK
GARDEN IS THE BESTEXAMPLE OF REUSE
OF WASTE.
THANKS TO
SH. NEK CHAND JI
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RECYCLE
Many of the things used in daily life
are recyclable. Ways to help the
environment keeping in view therecyclables are:-
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THE MATERIALS
LIKE PAPER,
PLASTIC, GLASS
DOMESTIC WASTECAN BE RECYCLED
TO OBTAIN
USABLE FORM OF
MATERIAL. LETS
DISCUSS ONE BY
ONE:
SYMBOL OF RECYCLING
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RECYCLING OF PAPER
Procedure of paper recycling:-
#Paper is sorted by type & sentto a paper mill.
#Hydrapupler cooks the paperuntil it is thick soup of
fibres. Detergents &chemicals remove inks &paper becomes pulp.
#Impurities are removed byseries of washers.
#Pulp is bleached with Cl to
make it white & washedagain.
#Machine rolls out pulp &dries new paper.
#Paper is cut to size , wrapped& shipped.
PAPER BANK
RECYCLING
NEW PAPER
PAPER IN USE
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RECYCLING OF GLASS
Procedure to recycle glass:-
Imp actor crushes glass intochunks of broken or wasteglass,3/4inch in diameter.
Cullet is dropped into weighingbin along with ingredients tomake new glass.
It is put into furnace, whichmelts it into a thick syrup at2800 F.
Syrup flows out of furnace intoan automatic feeder ,where it iscut into bottle size portions.
Bottle size portions flow down achute into molds, where they
are shaped & cooled.
BOTTLE BANK
BOTTLE IN
USE
NEW GLASS
RECYCLING
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RECYCLING OF METAL Procedure of Aluminum/
METAL recycling :-
Juice & soda cans aresmashed & cut into dimesize shreds.
Shreds are placed in gaspowered Al furnace,making liquid metal.
Liquid flows into moldsthat form ingots or barsof metal.
Rollers squeeze the ingotsinto sheets for new cans.
Sheets are rolled in tocoils & sent to a plantwhere they are shaped into
cans again.
CANS IN USE
METAL
WASTE
RECYCLIN
STEEL & ALUMINUM CANS
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RECYCLING OF KITCHEN
WASTE
PROCEDURE FORRECYCLING OFITCHEN WASTE:
Dig a pit.
Put the kitchen waste in thispit.
Cover the pit .
Waste changes into thecompost after few days dueto action of bacteria whichdecompose it.
This compost is a very goodmanure & can be used in thefields, gardens etc.
Food waste
COMPOST
Return to the soil
Fresh Food
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Recycling 1 ton of paper saves 17 trees &7,000 gallons of water.
Recycling 1 Aluminum can saves enoughelectricity to run a TV for three hrs.
Recycling 1 glass bottle or jar saves enoughelectricity to light a 100-watt bulb for four hrs.
Recycling 1 ton of plastic saves the equivalentof 1,000-2,000 gallons of gasoline.
More than 30 million trees are cut down toproduce a years supply of newspapers.
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Websites:
*www.hershilslides.blogspot.com*
Reference Books:
*Environmental Education for class VII & IX
(Arya publishing house)
*Municipal solid waste
(Punjab School edu. board)
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