HL Topic 7.2 extends energy analysis with EROI (energy return on investment) calculations, detailed comparison of energy system life cycles, and deeper evaluation of the technological, economic, and political barriers to energy transitions.
Higher Level students should use this topic hub as a map: start with the shared sub-topics, then follow the HL-only extensions and exam-skill links where this topic asks for deeper analysis.
At Higher Level, ESS includes an extended essay component and deeper analytical questioning. Expect longer data-response questions and more complex case study scenarios in both Paper 1 and Paper 2.
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Start studying freeTopic 7.2 Energy sources—uses and management forms a core part of Unit 7: Natural Resources in IB ESS HL. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.
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