What you’ll learn9 learning objectivesChoose one objective for a focused lesson, or study the complete topic.7.3.1Waste classification• Source: domestic, industrial, agricultural• Type: e-waste, food, biohazardous materialsSyllabus objective7.3.2Solid domestic waste (SDW)• Diverse content: paper, cardboard, glass, metal, plastics• Organic matter, packaging, construction debris, clothingSyllabus objective7.3.3Waste variation• Over time and between societies• Due to socio-economic, political, environmental, technological factorsSyllabus objective7.3.4Waste impacts• Environmental and social• May occur in different location from generation• Environmental injustice: high to low-income countriesSyllabus objective7.3.5Ecosystem waste absorption• Can absorb some waste• Pollution: harmful substances added faster than transformedSyllabus objective7.3.6Preventative vs. restorative strategies• Preventative more sustainable• Preventative: alter behaviour, control release• Restorative: clean-up and restorationSyllabus objective7.3.7Waste disposal options• Landfill, incineration, waste-to-energy• Exporting waste, recycling, composting• Each has advantages and disadvantagesSyllabus objective7.3.8Promoting sustainable SDW management• Taxes, incentives, social policies, legislation• Education, campaigns, improved disposal accessSyllabus objective7.3.9Circular economy and waste• Holistic perspective on sustainable waste management• From manufacture to product recoverySyllabus objective
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