3 R's of Environment

8/13/2019 3 R's of Environment

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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


3/23

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.


8/23

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:


12/23

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.


14/23

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


17/23

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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Documents

3 R's of Environment