Use the course page to work through the current ESS topic structure, from systems and ecology to resources, pollution, climate change and sustainability.
IB ESS HL Question Bank

Use the IB ESS question bank to practise environmental systems, societies, data and case-study evaluation, then check answers against mark-scheme reasoning.

Topic questions organised by syllabus area, with difficulty filters for focused practice.

Follow the syllabus roadmap and track what to learn, practise, and review.

Refresh the core ideas, explanations, and exam links behind each topic.

Open revision notes and supporting materials for the same course.
Frequently Asked Questions
The available course set is tagged for both SL and HL. Choose your route and then a topic or objective to keep the practice focus clear.
Yes. Available questions use figures, graphs and named environmental contexts, alongside calculations, short explanations and extended evaluative responses.
Use Show Answer to compare your response with the stored marking points, checking evidence, balanced evaluation, named examples and a justified conclusion.