Environment · StudentHub Lesson

Natural Resources & Sustainability

Natural resources sustain human life and economies, but their extraction and use must be managed sustainably to avoid depletion and environmental harm.

19 minAdvanced

What you will learn

Distinguish between renewable and non-renewable resources
Explain the process and impacts of mineral extraction
Define sustainability and its three pillars
Identify examples of sustainable resource management
Explain trade-offs between resource use and environmental protection

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Mineral Extraction: Crash Course Geography #44 · CrashCourse

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Topic notes

Main Idea

Natural resources, from minerals to water to forests, are essential to human economies, but their extraction can have major environmental and social impacts, making sustainable management crucial.

Key Concepts

Resources are classified as renewable (replenish naturally, like sunlight or forests) or non-renewable (finite, like minerals and fossil fuels).
Mineral extraction involves removing rocks and minerals from Earth's crust for use in industry and technology.
Sustainability balances three pillars: environmental protection, economic viability, and social equity.
Resource extraction can cause habitat destruction, pollution, and displacement of communities.

Definitions

Renewable resource: a resource that can be replenished naturally within a human lifetime, such as wind or timber.
Non-renewable resource: a resource that exists in finite quantities and takes millions of years to form, such as coal or metal ores.
Sustainability: meeting present needs without compromising the ability of future generations to meet their own needs.
Extraction: the process of removing natural resources from the earth, such as mining or drilling.

Processes

Mineral extraction methods include surface mining (strip mining, open-pit) and underground mining, each with different environmental footprints.
Extracted resources are processed and used in manufacturing, energy production, and technology.
Unsustainable extraction can lead to soil erosion, water contamination, and loss of biodiversity.
Sustainable practices include recycling, resource-efficient technology, and restoring mined land.

Real-World Examples

Lithium mining for batteries has expanded rapidly with demand for electric vehicles, raising concerns about water use in places like Chile's Atacama Desert.
Reforestation projects after logging aim to restore forest ecosystems and maintain resource sustainability.
Renewable energy sources like solar and wind reduce reliance on non-renewable fossil fuels.

Common Mistakes

Assuming all resources are unlimited; many resources, like fossil fuels and certain minerals, are finite.
Thinking sustainability only concerns the environment; it also includes economic and social factors.
Believing renewable resources can never be overused; even renewable resources like forests can be depleted faster than they regenerate.

Key concepts

Renewable vs non-renewable resourcesMineral extraction methods and impactsThree pillars of sustainabilityEnvironmental consequences of resource useSustainable management practices

Important terms

Renewable resource: A natural resource that can replenish itself naturally over a relatively short time, such as solar energy or timber.
Non-renewable resource: A resource that is finite and takes an extremely long time to form, such as coal, oil, or metal ores.
Sustainability: Using resources in a way that meets current needs without compromising future generations' ability to meet theirs.
Open-pit mining: A surface mining method where materials are extracted from a large open pit near the surface.

Quick revision

Renewable resources can replenish naturally
Non-renewable resources are finite and slow to form
Mineral extraction includes surface and underground mining
Sustainability includes environmental, economic, and social pillars
Extraction can cause pollution and habitat loss
Lithium mining supports electric vehicle batteries
Reforestation helps restore logged ecosystems
Renewable energy reduces fossil fuel dependence
Even renewable resources can be overused
Sustainable practices include recycling and restoration

Check your understanding

Question 1 · Multiple choice

Which of these is a non-renewable resource?

Question 2 · Multiple choice

What are the three pillars of sustainability?

Question 3 · True or false

Renewable resources can never be depleted or overused.

Question 4 · Short answer

Name one environmental impact of mineral extraction.

Question 5 · Short answer

What is the term for restoring land after mining or logging?

Done with Natural Resources & Sustainability?

Urbanisation