C10 - Using Resources Flashcards
Do human help form natural resources?
No
Renewable resources
Resources that reform at a similar rate or faster than we use them
Finite resources
Resources that aren’t quickly formed to be considered resplaceable
Why does extracting resources have risks?
- Loads of energy
- Scars the environment
- Produces lots of waste
- Destroys habitats
What is sustainable development?
An approach to development that takes account of the needs to present society while not damaging future generations
Give examples of why copper rich ores are in short supply
- Traditional methods of copper mining
- Phytomining
- Bioleaching
Why is recycling metal important?
- Uses much less energy than is needed to mine and extract
- Cuts down on the amount of waste getting sent to landfill
How does glass recycling help sustainability?
- Reduces the amount of energy needed to make new glass products
- Glass bottles can often be used without reshaping
LCA
1) Getting the raw materials
2) Manufacturing and packaging
3) Using the product
4) Product Disposal
What are the problems with LCA?
- LCA is not an objective method as it takes into account the values of the person carrying out the assessment
- Selective LCAs can also be biased as the y can be written to deliberately support the claims of a company in order to give them positive advertising
Potable water
Water that has been treated or is naturally safe for humans to drink
Rainwater
A type of fresh water that doesn’t have much dissolved into it
What can be used to desalinate water?
Distillation
What can be used to test and purify a sample of water?
Distillation
What are some sources of waste water
- Bathroom
- Agricultural systems
- Sewage
