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Learn how the IB ESS systems approach uses storages, flows, feedback loops and models to analyse complex environmental issues and possible solutions.
Read the answerLearn how an environmental value system converts cultural, scientific, and economic inputs into perspectives, decisions, and environmental actions.
Learn how to draw an IB ESS systems diagram using storages, flows, inputs, outputs, transfers, transformations, and proportional arrow sizes.
Learn how worldviews shape values, perspectives, and environmental decisions in IB ESS Subtopic 1.1, with examples and exam-focused guidance.
Compare technocentric, anthropocentric and ecocentric worldviews in IB ESS, including their core values, preferred solutions and exam application.
Learn how open and closed systems differ in IB ESS, including exchanges of matter and energy, key examples, diagram conventions, and exam tips.
Learn how transfers move matter or energy between locations, while transformations change their state, chemical nature, or energy form in IB ESS systems.
Learn how campaigns and major events change environmental perspectives, values, policies and behaviour in IB ESS Topic 1.1 Perspectives.
Learn how to design an unbiased ESS values survey that measures environmental perspectives through sampling, Likert scales, ethics, and analysis.
Learn how values shape perspectives and environmental choices in IB ESS Topic 1.1, with precise terminology, examples, and exam guidance for SL and HL.
Learn how the Gaia hypothesis presents Earth as a self-regulating system through feedback, with Daisyworld and IB ESS exam advice for SL and HL.
Learn how IB ESS distinguishes a perspective from an argument, what shapes environmental perspectives, and how to apply both concepts in exam responses.
Learn how negative feedback loops counteract change, maintain stable equilibrium, and appear in IB ESS systems questions and ecological examples.
Learn how positive feedback amplifies environmental change, destabilizes systems, and can push them toward tipping points in IB ESS Systems.
Learn how models represent environmental systems, why simplification reduces accuracy, and how to evaluate model limitations in IB ESS exams.
Learn how emergent properties arise from interactions within environmental systems, with IB ESS examples, misconceptions, and exam technique.
Learn how stable and steady-state equilibria differ in IB ESS, including feedback, changing storages, system flows, examples, and exam technique.
Understand tipping points in IB ESS systems, how positive feedback causes regime shifts, and how to explain them clearly in SL and HL exam responses.
Learn how resource use beyond regeneration rates reduces ecosystem resilience, triggers feedback loops and tipping points, and causes ecosystem collapse.
Learn the IB ESS definition of environmental justice, its links to sustainability and inequality, and how to apply it using a named exam example.
Learn how income, racial, and gender inequalities affect access to water, food, and energy through the IB ESS concept of environmental justice.
Learn how biocapacity supplies resources and absorbs waste, how it compares with ecological footprint, and what ecological deficits show in IB ESS.
Learn how citizen science supplies large-scale environmental data, supports sustainability monitoring, and enables public participation in IB ESS.
Learn what an ecological footprint measures, how to calculate it in global hectares, and how to compare it with biocapacity for IB ESS Topic 1.3 exams.
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