CUE 6 Urban Waste Flashcards
What are the issues with urban waste?
Links to water and air pollution
Impacts human health
Expensive to deal with
Lack of space
Why is waste being generated more?
Population growth
Disposable income
Describe some causes of waste
Residential waste e.g. From home owners
Industrial waste e.g. Manufacturing
Commercial waste e.g. Shops
Institutional wate e.g. Hospitals
What is the proper word for household rubbish?
Municipal solid waste
What is the waste stream
The flow of waste
Give a fact to show how much waste is being generated
90% of all products become waste within 6months
What is the problem with dumping of waste?
Recyalable materials lost
Leaching
Loss of potential energy
Air pollution e.g. Methane
Give facts on manilas smokey mountain
6 huge mountains of rubbish
Up to 30 meters high
Contaminated water drank by many (80,000 local residents)
In 2000 collpase killed 200 people
How can the amount of waste produced by reduced?
Waste legislation e.g. 5p shopping bags
Education on waste
Financial incentives for recycling
Give six types of waste management with a disadvantage and an advantage
Unregulated - no cost, disease
Recycling - less waste, requires energy
Trade - origin country has waste, host has more
Incineration - energy created, potential poisonous gases
Landfill - waste dealt with, leaching
Submergence - removes it, toxic to fish
Comapre the pros and cons of incineration
Pros
Energy from waste
Reduces toxicity
Long life span
Cons
Expensive
Nimbyism
Air pollution
Compare the pros and cons of landfill
Pros
Controlled
Easy
Cheap
Cons Nimbyism Vermin Leaching Methane
What is the lansinks ladder approach?
In Amsterdam they follow the three steps
Avoid creating waste
Recover raw materials from waste
Create energy from waste
Give some facts about the energy to waste program in Amsterdam
Annually generates 1 million Mwh
600 trucks of waste a day
1.4 million tonnes of waste a year
64% recyled before incineration