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W A S T E ! By, Viktoria Purszky. W H A T I S W A S T E ?. Items which people no longer have any use for Items which people discard due to hazerdous properties The largest component of waste is paper!. W H Y S O M U C H W A S T E ?. For an increasment of population
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W H A T I S W A S T E ? • Items which people no longer have any use for • Items which people discard due to hazerdous properties • The largest component of waste is paper!
W H Y S O M U C H W A S T E ? • For an increasment of population • An increased material standard of living • The packaging of food/other products
S E W A G E ! • The form of waste that we create most frequently • Removes in various ways: • Primary Treatment, Secondary Treatment, Tertiary Treatment
L A N D F I L L S ! • A site for the disposal of waste • Open dumps are a threat to the environment • Engineered landfills provide safety
I N C I N E R A T I O N ! • A disposal method that involves combustion of waste material • Incineration has some advantages • However the disadvantage is, Incinerators contribute to carbon dioxide in the atmosphere
I S S U E S I N V A N C O U V E R ! • Vancouver garbage workers have gone on strike • Landfill station closed due to dispute • Many residents have taken matters into their own hands
R E C Y C L I N G ! • Involves seperating the different elements of garbage • Allows useful materials to be collected and reused • Provides many advantages • The easiest way to increase recycling is to stop the waste before it starts!
H A Z A R D O U S W A S T E S ! • Wastes which pose a particular threat to health or the environment • Some materials are highly flammable, and some are corrosive or radioactive • Main sources of hazardous wastes are industrial and domestic toxins and wastes • There is a danger in disposing of these wastes in normal landfill sites
D E V E L O P I N G C O U N T R I E S – A D U M P I N G G R O U N D ? • Before 1988, African countries were paid to have toxic wastes disposed of in their territories • No care was taken while disposing of wastes • Pesticides have also been exported to developing countries
H O W C A N W E S T O P W A S T E ? • Reduce/Reuse/Recycle! • Choose products with little or no packaging • Use rechargable batteries • Bring your own bags to the shop • Buying your goods in bulk • Buy refillable bottles or packets