waste
Sign in to savethumb|alt=Bucket loader dumping a load of waste at a waste depot|Solid waste after being shredded to a uniform size
AI overview
Waste refers to unwanted materials or byproducts that result from human activities, such as the solid refuse shown being processed at disposal facilities. It matters because managing waste properly affects environmental health, public sanitation, and resource conservation.
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Article
39 sectionsContents
- Definitions
- United Nations Environment Program
- United Nations Statistics Division
- European Union
- Canada
- United Kingdom
- Australia
- Types of waste
- Metabolic waste
- Municipal waste
- Household waste and commercial waste
- Gallery
- Construction and demolition waste
- Hazardous waste
- Radioactive waste
- Energetic hazardous waste
- Munitions
- Fireworks, flares, and hobby rockets
- Automobile airbag propellants
- Electronic waste
- Mixed waste
- Medical Waste
- Reporting
- Costs
- Environmental costs
- Social costs
- Economic costs
- Affecting communities
- Management
- Wastewater facilities
- Benefits
- Utilization
- Resource recovery
- Energy recovery
- Education and awareness
- Gallery
- See also
- References
- External links
thumb|alt=Bucket loader dumping a load of waste at a waste depot|Solid waste after being shredded to a uniform size
Waste are unwanted or unusable materials. Waste is any substance discarded after primary use, or is worthless, defective and of no use. A by-product, by contrast is a joint product of relatively minor economic value. A waste product may become a by-product, joint product or resource through an invention that raises a waste product's value above zero.