- Source Reduction
Reducing the quantity of waste to diminish the amount of material that enters the waste stream.
- Source Separation
This refers to the sorting of specific waste materials prior to their collection.
- Special Waste
This is any type of waste that requires special handling (scrap tyres, used motor oil, hospital waste or hazardous waste).
In ecology, refers to the prudent use of natural resources so that future generations may still benefit from them.
- Sustainable Design
This is a design philosophy that analyses how a product complies with the principles of environmental, economic and social sustainability.