Why does some energy come from one country but get burned in another?
Topic 6.4 Distribution of Natural Energy Resources: explain why energy resources are unevenly distributed and the consequences of that uneven distribution.
A focused answer to APES Topic 6.4, covering why fossil fuels and renewable resources are unevenly distributed across the globe, how geology and geography determine availability, and the economic and political consequences of that uneven distribution, with a worked import dependence calculation.
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What this topic is asking
The College Board (Topic 6.4) wants you to explain why energy resources are unevenly distributed across the globe and the economic and political consequences of that uneven distribution.
Why distribution is uneven
Consequences of uneven distribution
Reducing dependence
Why this matters
Distribution links Unit 6 to the geology of Unit 4 (plate tectonics sets where fossil fuels and geothermal sites form) and to global politics. It explains why energy is traded, why some nations are vulnerable, and why the shift to renewables is partly about energy independence, not just emissions.
Try this
Q1. Identify the main reason fossil fuel deposits are unevenly distributed. [1 point]
- Cue. They formed under specific geological conditions over millions of years, so they are concentrated where those conditions occurred.
Q2. Explain one consequence of a country importing most of its energy. [2 points]
- Cue. It depends on other countries, spending money abroad and being exposed to price rises and supply disruptions, which threatens its energy security.
Exam-style practice questions
Practice questions written in the style of College Board exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.
AP 2020 (style)4 marksSection II (FRQ). (a) Explain why fossil fuel deposits are unevenly distributed across the world. (b) Describe how the distribution of solar and wind resources differs from fossil fuels. (c) Explain one economic consequence of a country lacking domestic fossil fuels. (d) Describe one strategy a country with few fossil fuels could use to improve energy security.Show worked answer →
A 4-point FRQ on resource distribution.
(a) Explain (1 point): fossil fuels formed from ancient organic matter under specific geological conditions over millions of years, so deposits are concentrated where those conditions occurred, not spread evenly.
(b) Describe (1 point): solar and wind potential is set by climate and latitude (sunny, windy regions), so it is also uneven but differently distributed, and the flows arrive continuously rather than being stored underground.
(c) Explain (1 point): a country without domestic fossil fuels must import them, spending money abroad and being exposed to price swings and supply disruptions.
(d) Describe (1 point): develop domestic renewables (solar, wind, hydro), improve efficiency, or diversify suppliers to reduce reliance on imports.
Markers reward the geological-conditions point, the climate-driven distribution of renewables, the import and price-exposure cost, and a valid energy-security strategy.
AP 2018 (style)1 marksSection I (multiple choice). The uneven global distribution of oil reserves is best explained by: (A) differences in national energy policy (B) the geological conditions under which oil formed (C) variation in population density (D) the price of oil on world markets. Justify your choice.Show worked answer →
A 1-point MCQ on distribution. The answer is (B).
Oil formed from buried marine organic matter under specific heat and pressure conditions over millions of years, so reserves are concentrated where those geological conditions occurred. Policy (A), population (C) and price (D) affect how oil is used and traded but not where it formed. The trap is confusing the causes of where a resource is located with the factors that influence its use.
Related dot points
- Topic 6.5 Fossil Fuels: explain how fossil fuels form and are used to generate electricity, and describe their environmental impacts, including cogeneration.
A focused answer to APES Topic 6.5, covering how fossil fuels form, how a fossil-fuel power plant generates electricity, fracking, cogeneration, and the environmental impacts of coal, oil and gas, with a worked power plant efficiency calculation.
- Topic 6.2 Global Energy Consumption: describe patterns of global energy use and the factors, including development and population, that drive demand.
A focused answer to APES Topic 6.2, covering global patterns of energy consumption, the dominance of fossil fuels, differences between more and less developed countries, the drivers of demand (population, economic development, lifestyle), and a worked per capita energy calculation.
- Topic 4.1 Plate Tectonics: explain how convection in the mantle drives plate movement and describe the three types of plate boundary and their landforms and hazards.
A focused answer to APES Topic 4.1, covering mantle convection, the three plate boundary types (divergent, convergent, transform), the landforms and hazards each produces, hot spots, and the link to natural resources, with a worked boundary-identification question.
- Topic 6.8 Solar Energy: describe how solar energy is captured using photovoltaic, active and passive systems and evaluate its benefits and drawbacks.
A focused answer to APES Topic 6.8, covering photovoltaic cells, active and passive solar heating, the benefits (renewable, low emissions) and drawbacks (intermittency, land, cost) of solar energy, and a worked photovoltaic output calculation.
- Topic 6.12 Wind Energy: describe how wind turbines generate electricity and evaluate the benefits and drawbacks of wind power.
A focused answer to APES Topic 6.12, covering how wind turbines convert wind into electricity, onshore and offshore wind, the benefits (renewable, low emissions, low operating cost) and drawbacks (intermittency, location, wildlife, noise) of wind power, and a worked wind farm output calculation.
Sources & how we know this
- AP Environmental Science Course and Exam Description — College Board (2020)