IB Environmental Systems Revision

Ethics, Law & Economics

Environmental ethics, environmental law and ecological economics.

Ethics, Law & Economics is a core part of IB Environmental Systems. Revise the key concepts and common mistakes below, then lock them in with the free games.

Key concepts

Environmental lawLegislation to protect the environment.
Environmental ethicsValues guiding our treatment of nature.
Environmental economicsValuing and costing environmental impacts.
Environmental impact assessmentEvaluating a project's likely effects.
StakeholdersGroups affected by environmental decisions.
PolicyGovernment and international agreements.

Common mistakes to avoid

Questions where students often pick the tempting wrong answer — make sure you know the right one:

Is energy recycled within an ecosystem?✗ Yes, energy cycles round endlessly.   ✓ No — energy flows through and is lost as heat; nutrients are recycled.
What does biodiversity measure?✗ Only the number of animals.   ✓ The variety of all living things and their genes in an area.

Practise Ethics, Law & Economics — free games

Test yourself with these quick revision games for this topic:

▶ Two Truths, One Lie▶ Reveal Race▶ Connections Grid▶ Falling Words▶ Word Web

See all 17 games in the Subjects Arcade →

More IB Environmental Systems topics

Foundations of Environmental SystemsEcosystems & BiodiversityAtmospheric SystemsClimate Change & EnergyWater & Aquatic SystemsSoil & Terrestrial SystemsHuman Systems & Resource Use

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