Human-Environmental Interaction

By the end of this lesson, students will be able to (per CED LO PSO-1.B):

• Define the three CED-named concepts of nature and society: sustainability, natural resources, and land use (per EK PSO-1.B.1).
• Identify and describe the three pillars of sustainability (economic, social, environmental) and connect them to the UN Sustainable Development Goals.
• Distinguish renewable from non-renewable natural resources and explain the resource curse with one country example.
• Trace the intellectual evolution from environmental determinism (Ratzel, Semple, Huntington) to possibilism (Vidal de la Blache) and explain why determinism was rejected (per EK PSO-1.B.2).
• Apply possibilist thinking to a current case (e.g., Costa Rica's renewable-energy choices, Singapore's water strategy, Norway's sovereign wealth fund) and identify the choices the country made within environmental constraints.

Per CED EK PSO-1.B.1, "concepts of nature and society include sustainability, natural resources, and land use." These three frame how geographers analyze the relationship between human communities and the physical environment. None of them is purely physical or purely social — each is the result of choices that humans make about how to relate to a place.

Sustainability

The most-cited definition comes from the 1987 UN-sponsored Brundtland Report: sustainability is "meeting the needs of the present without compromising the ability of future generations to meet their own needs." Modern frameworks unpack this into three pillars (economic, social, environmental). The 2015 UN Sustainable Development Goals (SDGs) operationalize sustainability into 17 measurable global targets to be achieved by 2030.

Natural resources

Geographers distinguish renewable resources (solar, wind, hydropower, sustainably managed timber and fisheries) from non-renewable resources (oil, gas, coal, most metals). The distinction matters for sustainability planning: a country built on extraction has a finite economic lifespan unless it diversifies before depletion. The resource curse — the observation that resource-rich countries often perform worse economically and politically than resource-poor ones — haunts countries from Venezuela to Nigeria. Norway is the famous counterexample: it placed oil revenue into a sovereign wealth fund, now the world's largest at over $1.7 trillion, instead of consumption.

Land use

Land use describes how humans occupy and modify Earth's surface: agricultural (cropland, pasture), urban (residential, commercial, industrial), conservation (parks, reserves, wilderness), extractive (mining, logging, oil and gas), and transportation. Land-use planning is the application of geographic concepts to decisions about what should happen where — one of the oldest applied uses of geography.

Determinism and possibilism

Per CED EK PSO-1.B.2, "theories regarding the interaction of the natural environment with human societies have evolved from environmental determinism to possibilism." This is one of the most important intellectual histories in modern geography — and one of the most politically charged.

Late-19th-century environmental determinism held that the physical environment determines how a society develops. Friedrich Ratzel's Anthropogeographie (1882-91) argued that climate, topography, and soil set the limits of what a culture can become. Ellen Churchill Semple, his American student, popularized determinism in English. Ellsworth Huntington's Civilization and Climate (1915) infamously claimed that temperate climates produced superior civilizations — a claim used to justify European colonialism and racial hierarchy. Modern geography has thoroughly rejected determinism on both empirical and ethical grounds.

Possibilism, articulated by French geographer Paul Vidal de la Blache around 1903, argued the opposite: the environment provides options or constraints, and humans choose how to respond. Two communities in similar environments can develop very different cultures. Possibilism became dominant by the mid-20th century. Modern frameworks like cultural ecology and political ecology extend possibilism by adding power and inequality to the picture — who gets to choose, and whose choices are constrained.

Per Brundtland-derived frameworks, sustainability is the simultaneous achievement of three interlocking goals.

Per CED EK PSO-1.B.2, geographic theory has evolved from determinism to possibilism. Both schools are testable on the AP exam.

Four cases that show countries making different possibilist choices within similar environmental constraints.

Costa Rica

~99% renewable electricity · 25% land protected

A small Central American country that chose tropical forest conservation and renewable energy over extraction. Costa Rica abolished its army in 1948 and redirected the budget into education, health, and conservation. A poster child for possibilism.

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Norway

$1.7T sovereign wealth fund · ~95% renewable electricity

The textbook counterexample to the resource curse. Norway placed petroleum revenue into a sovereign wealth fund (now the world's largest) instead of consumption, while building a generous welfare state and electrifying transport ahead of any major oil exporter.

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Democratic Republic of the Congo

~70% of world's cobalt · per-capita GDP ~$650

Holds about 70 percent of global cobalt reserves — essential for batteries — plus copper, diamonds, and rare earths. Yet decades of conflict, weak institutions, and exploitative extraction have produced one of the world's lowest standards of living. The resource curse in operation.

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Singapore

733 km² · ~50% water from desalination + recycling

An island city-state with no significant natural resources — not even fresh water. Singapore solved its water vulnerability through an intricate mix of imports from Malaysia, desalination, and reuse ("NEWater"). A clean possibilist case: severe environmental constraint, creative human response.

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1. Environmental determinism was used to justify European colonialism well into the 20th century. What was empirically wrong with the theory, and what were its political consequences?
2. Norway and DR Congo are both resource-rich. One thrives; one struggles. What does the comparison tell us about whether geography is destiny?
3. Costa Rica chose conservation and renewable energy. What environmental and political conditions made that choice possible, and would the same choice work for a country with a much larger population or different terrain?
4. The Brundtland definition of sustainability is widely cited and widely vague. Identify two ways it leaves enforcement and trade-offs ambiguous, and propose a more specific definition.
5. Cultural ecology and political ecology extend possibilism. What do they add? Use one current environmental controversy (deforestation in Indonesia, water in the US Southwest) to illustrate.

Draft alignment — pending educator review. AP HG codes correspond to the official College Board Course and Exam Description (Effective Fall 2020, V.1). Statements below are paraphrased in CountryReports' own voice; refer to the College Board's published CED for verbatim wording.

AP® and Advanced Placement® are registered trademarks of the College Board. The College Board was not involved in the production of this material and does not endorse it. Standards statements above are paraphrased; codes refer back to the official College Board CED, the NCSS C3 Framework, the Common Core State Standards, and other cited frameworks.