Learning objective
7.3.1—Waste classification
• Source: domestic, industrial, agricultural • Type: e-waste, food, biohazardous materials
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Course review
7.3 Solid waste
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Learning objective
7.3.2—Solid domestic waste (SDW)
• Diverse content: paper, cardboard, glass, metal, plastics • Organic matter, packaging, construction debris, clothing
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Learning objective
7.3.3—Waste variation
• Over time and between societies • Due to socio-economic, political, environmental, technological factors
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Learning objective
7.3.4—Waste impacts
• Environmental and social • May occur in different location from generation • Environmental injustice: high to low-income countries
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Learning objective
7.3.5—Ecosystem waste absorption
• Can absorb some waste • Pollution: harmful substances added faster than transformed
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Learning objective
7.3.6—Preventative vs. restorative strategies
• Preventative more sustainable • Preventative: alter behaviour, control release • Restorative: clean-up and restoration
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Learning objective
7.3.7—Waste disposal options
• Landfill, incineration, waste-to-energy • Exporting waste, recycling, composting • Each has advantages and disadvantages
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Learning objective
7.3.8—Promoting sustainable SDW management
• Taxes, incentives, social policies, legislation • Education, campaigns, improved disposal access
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Learning objective
7.3.9—Circular economy and waste
• Holistic perspective on sustainable waste management • From manufacture to product recovery
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