Freshwater supplies may become limited Theory of knowledge: through contamination and unsustainable Aid agencies often use emotive abstraction. advertisements around the water security Water supplies can be enhanced through issue—to what extent can emotion be reservoirs, redistribution, desalination, used to manipulate knowledge and artificial recharge of aquifers and actions? rainwater harvesting schemes. Water conservation (including grey-water Connections: recycling) can help to reduce demand but often requires a change in attitude by the ESS: Climate change—causes and water consumers. impacts (7.2); terrestrial food production The scarcity of water resources can lead systems and food choices (5.2) and to conflict between human populations, aquatic food production systems (4.3); particularly where sources are shared. resource use in society (8.2) and sustainability (1.4) Applications and skills: Diploma Program: Social and cultural anthropology; geography (topic 3; Evaluate the strategies that can be used options A, B and F); economics to meet an increasing demand for fresh water. Discuss, with reference to a case study, how shared freshwater resources have given rise to international conflict. 4.3: Aquatic food production systems Significant ideas: Aquatic systems provide a source of food production. Unsustainable use of aquatic ecosystems can lead to environmental degradation and collapse of wild fisheries. Aquaculture provides potential for increased food production. Knowledge and understanding: Guidance:
Freshwater supplies may become limited through contamination and unsustainable abstraction. Water supplies can be enhanced through reservoirs, redistribution, desalination, artificial recharge of aquifers and rainwater harvesting schemes. Water conservation (including grey-water recycling) can help to reduce demand but often requires a change in attitude by the water consumers. The scarcity of water resources can lead to conflict between human populations, particularly where sources are shared. Applications and skills: Evaluate the strategies that can be used to meet an increasing demand for fresh water. Discuss, with reference to a case study, how shared freshwater resources have given rise to international conflict. Theory of knowledge: Aid agencies often use emotive advertisements around the water security issue—to what extent can emotion be used to manipulate knowledge and actions? Connections: ESS: Climate change—causes and impacts (7.2); terrestrial food production systems and food choices (5.2) and aquatic food production systems (4.3); resource use in society (8.2) and sustainability (1.4) Diploma Program: Social and cultural anthropology; geography (topic 3; options A, B and F); economics 4.3: Aquatic food production systems Significant ideas: Aquatic systems provide a source of food production. Unsustainable use of aquatic ecosystems can lead to environmental degradation and collapse of wild fisheries. Aquaculture provides potential for increased food production. Knowledge and understanding: Guidance:
IB_Environmental_Systems_and_Societies_2016.docx