IB ESS: Renewable vs Non-Renewable Resources (2026)

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In IB ESS, renewable resources are resources that can regenerate naturally within a human timescale if the rate of use does not exceed the rate of replacement.

Common renewable examples you should know

• Solar and wind energy (renewable flows)

• Hydropower (renewable, but can carry big environmental costs)

• Biomass (renewable only with sustainable harvesting)

• Timber/forests (renewable if regeneration keeps up)

• Fish stocks (renewable with effective management)

• Freshwater (renewed by the water cycle, but regionally scarce)

A high-yield way to revise this is to anchor renewables to energy decisions and global consumption patterns. RevisionDojo’s aligned content for this part of IB ESS is here: 7.2A Energy Sources and Global Energy Consumption and 7.2A Notes.

The strengths and limits (say both)

Renewables often lower long-term depletion risk and can reduce greenhouse gas emissions. But IB ESS also expects you to mention constraints: intermittency (solar/wind), land use conflicts (biofuels), and ecosystem disruption (large dams).

What non-renewable resources are in IB ESS

In IB ESS, non-renewable resources are finite stocks that do not replenish on a human timescale. Once used, they’re effectively gone (or become too costly/dirty to extract).

Common non-renewable examples you should know

• Fossil fuels: coal, oil, natural gas

• Nuclear fuels: uranium (finite, with long-lived waste)

• Minerals and metals: copper, iron, rare earth elements

Non-renewables are often reliable and energy-dense, which is why societies built infrastructure around them. But the exam payoff comes when you connect them to pollution, climate forcing, and resource security.

To revise the broader resource framing, pair your energy notes with: 8.2 Resource Use in Society Notes and targeted practice from 8.2 Questionbank.

The IB ESS “twist”: when renewable becomes non-renewable

This is where IB ESS answers start sounding like real environmental science.

A resource can be technically renewable but functionally non-renewable if extraction exceeds regeneration or if recovery takes centuries. Overfished stocks, degraded soils, and over-pumped aquifers are classic examples. In exams, that nuance lets you evaluate management strategies instead of just listing categories.

If you want a clean definitions base for this kind of argument, review natural capital and finite resources here: 7.1C Natural Capital Notes.

How it shows up in exam questions

In IB ESS, Paper-style prompts usually test one of these moves:

• Distinguish renewable vs non-renewable (definitions + examples)

• Explain impacts (emissions, biodiversity loss, water pollution)

• Evaluate trade-offs (energy security vs ecological impact vs equity)

Build speed by practicing under timed conditions using the IB ESS Questionbank, then use RevisionDojo’s AI Chat and grading tools to improve how you justify claims. Flashcards help for definitions; Study Notes help for evaluation language; Mock Exams and Predicted Papers help you rehearse full responses.

Final takeaway

If you remember one idea for IB ESS, let it be this: renewable vs non-renewable is not a vocabulary test. It’s a sustainability test. Define clearly, use examples, then evaluate impacts and management as if the resource system has a future.

When you’re ready to tighten your answers, RevisionDojo is the fastest path: Study Notes for clarity, Flashcards for recall, Questionbank for exam-style practice, AI Chat and grading tools for feedback, and Mock Exams plus Predicted Papers to build confidence under time pressure.