22 terms

Urban waste generation

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Waste
Unwanted or unusable material, substances, or by-products.
Waste generation
The weight or volume of materials and products that enter the waste stream before recycling, composting, landfilling, or combustion takes place.
MSW
Municipal Solid Waste, covers household waste and waste similar in nature and composition to household waste consisting of everyday items that are discarded by the public
As the world's population size has grown
Waste generation has increased rapidly.
In the twentieth century
Waste production increased tenfold due to urbanisation, industrialisation and rising population
By 2100
The total generation of solid waste worldwide will have tripled
High Income Countries
Generate 777kg of waste per person per year (2010)
Low Income countries
Generate 219kg of waste per person per year (2010)
In 2002
There were 2.9 billion urban residents who generated about 0.64 kg of MSW per person per day (0.68 billion tonnes per year).
In 2012
There were 3 billion residents generating 1.2 kg per person per day (1.3 billion tonnes per year).
By 2025
There will likely be 4.3 billion urban residents generating about 1.42 kg/capita/day of municipal solid waste (2.2 billion tonnes per year).
Materialism
A tendency to consider material possessions and physical comfort as more important than spiritual values has resulted in more waste as people are more materialistic
Throw away culture
A human society strongly influenced by consumerism. The term describes a critical view of overconsumption and excessive production of short-lived or disposable items over durable goods that can be repaired.
Built-in obsolescence
In industrial design and economics is a policy of planning or designing a product with an artificially limited useful life, so it will become obsolete after a certain period of time. Increases waste amounts.
Residential waste includes
Food wastes, paper, cardboard, plastics, textiles, leather, yard wastes, wood, glass, metals, ashes, special wastes (e.g., bulky items, consumer electronics, white goods, batteries, oil, tires), and household hazardous wastes.).
Construction and demolition waste includes
Bricks, Wood, steel, concrete, dirt, etc.
Industrial waste includes
Heavy metals, Housekeeping wastes, packaging, food wastes, construction and demolition materials, hazardous wastes, ashes, special wastes.
Municipal services waste includes
Street sweepings; landscape and tree trimmings; general wastes from parks, beaches, and other recreational areas; sludge.
Economic cost
Of collecting and treating waste are high which disadvantages poorer nations
Methane
A very powerful greenhouse gas, is given off when organic wastes decay
Health problems
Such as Dengue fever, Cholera and Diarrhoea can result if waste goes untreated or uncollected
Landfill space
Is running out in many cities
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