Waste Manangement

Question 1

What is WASTE MANAGEMENT?

Answer 1

Includes the processes & actions required to manage waste from it’s inception to it’s final disposal.

Question 2

Human activities that affect sustainability:

Answer 2

-Habitat Destruction
-Invasive Species
-Pollution
-Human overpopulation
-Overharvesting

Question 3

What are INVASIVE SPECIES?

Answer 3

An introduced organisms that negatively alters it’s new environment.

Question 4

What is OVERHARVESTING?

Answer 4

The removal of species from the widl at rates that CANNOT be replaced.

Question 5

What are the 6 Management options for waste?

Answer 5

1- Avoid & reduce waste
2- Reuse Waste
3- Recycle waster
4- Recover energy
5- Treat waste
6- Dispose of waste

Question 6

What does AVOID & REDUCE WASTE refer to?

Answer 6

Action to reduce the amount of waste generated.

Avoid unnecessary consumption through behaviours such as:
- avoiding disposable goods or single-use materials

• selecting items with the least packaging
• using leftover food rather than throwing it away

Question 7

What does REUSE refer to?

Answer 7

Practice of using an item, whether for its original purpose or to fulfil a different function,
more than once:

• suitable option for many types of waste
• no further processing, so it is the most energy efficient

Question 8

EXAMPLES of RE-USE:

Answer 8

• Reusable food container to store leftovers
• Repurposing a worn out shirt as cleaning rags
• Using sawdust for animal bedding and then the soiled bedding as garden mulch
• Using coal ash to replace some of the cement in the manufacturing of concrete

Question 9

What 6 objects are common to be RECYCLED:

Answer 9

-Metal
-Masonry
-Glass
-Paper & cardboard
-Plastics
-E-waste

Question 10

What does ENERGY RECOVERY refer to?

Answer 10

The conversion of non-recyclable waste materials into usable heat, electricity, or fuel through a variety of processes, including combustion, gasification, anaerobic digestion and landfill gas recovery.

Question 11

Advantages of ENERGY RECOVERY?

Answer 11

-Reducing methane from landfill
-Reducing the volume of waste

Question 12

Disadvantages of ENERGY RECOVERY?

Answer 12

-Burning water releases toxic pollutants

-Generates greenhouse gases (making it a poor long-term strategy for waste management)

Question 13

What does DISPOSAL refer to? and is it preferred?

Answer 13

Removing and destroying or storing waste.

• Least preferred → eg, incineration/combustion & sanitary landfilling