Waste Management

Question 1

Waste created by what is not managed sustainably?

Answer 1

Humans

Question 2

Australia is…

Answer 2

second highest producer of waste per person in world.

Question 3

Spatial Dimension;

Answer 3

• Waste is disposed into air, land, water and coasts

- Most waste is produced in cities

Question 4

ecological Dimension:

Answer 4

• Increasing population and unsustainable use of resources leave a large ecological footprint, especially in cities.
• In developed countries such as Australia, waste can be directly linked to over-consumption of natural resources.

Question 5

Processes

Answer 5

• Carbon dioxide leads to enhanced greenhouse effect
• Rising polluted air is forced to condense and precipitate as acid rain.
• Fertilisers in rivers react with sunlight to cause blue-green algae.

Question 6

Impacts: Remember atleast 3

Answer 6

• Pollutants leach into soil, ground water, rivers and seas to impact on food chains.
• Air pollution, enhanced greenhouse effect, acid rain
• Polluted rivers and oceans lead to loss of biodiversity
• Bioaccumulation of toxins in food webs
• Algal blooms
• Plastic bag – end in waterways strangling marine life, or mistaken by animals for food.
• Cigarette butts – start 7% of bushfires, take years to break down and cause Digestive problems in fish, birds, whales and other marine life.

Question 7

Responses:

Answer 7

• ‘Reduce, reuse, recycle’ campaign
• Placing home wastes into recycle bins, polluter-pays principle
• Local councils dispose of garbage
• Management of landfills, Kimbriki Eco Garden
• Sewage and stormwater management
• Radioactive waste management
• To conserve environment, individuals, groups and governments follow a sustainable waste management plan based on the internationally accepted hierarchy of ‘avoid, reduce, reuse, recycle, recover, treat and dispose’