7.3 Solid waste
- Syllabus
- First assessment 2026
- Topic
- 7.3
- Level
- HL
• Source: domestic, industrial, agricultural
• Type: e-waste, food, biohazardous materials
• Diverse content: paper, cardboard, glass, metal, plastics
• Organic matter, packaging, construction debris, clothing
• Over time and between societies
• Due to socio-economic, political, environmental, technological factors
• Environmental and social
• May occur in different location from generation
• Environmental injustice: high to low-income countries
• Can absorb some waste
• Pollution: harmful substances added faster than transformed
• Preventative more sustainable
• Preventative: alter behaviour, control release
• Restorative: clean-up and restoration
• Landfill, incineration, waste-to-energy
• Exporting waste, recycling, composting
• Each has advantages and disadvantages
• Taxes, incentives, social policies, legislation
• Education, campaigns, improved disposal access
• Holistic perspective on sustainable waste management
• From manufacture to product recovery