What you will be able to do
classify natural resources; trace one use and environmental effect; evaluate a sustainability choice using trade-offs
Resources, Sustainability, and Human–Environment Interaction
How do people use environments, affect them, and make choices for the future?
Activate what you know
Choose one classroom object and name a natural material or energy source connected to it
- natural resourcematerial or energy from nature that people use
- renewableable to replenish through natural processes if managed within limits
- nonrenewableformed so slowly that use reduces the available supply
- sustainabilitymeeting present needs while protecting future well-being
- conservationcareful protection and use of resources
- trade-offa benefit given up or cost accepted in a choice
1
Resource Use Connects People and Environments
People use water, soil, forests, minerals, sunlight, wind, and fuels. Renewable does not mean unlimited: a forest or fish population can be depleted if use outpaces recovery. Nonrenewable resources such as fossil fuels and useful mineral deposits form or become concentrated over very long timescales. Every product has a chain. Paper supports communication and learning while production uses land, water, and energy. Studying the chain helps locate where conservation, safer methods, reuse, or recycling may reduce harm. A chain also includes workers and communities. Evidence about water withdrawals, wages, transport, waste, and habitat shows that benefits and burdens may occur in different places
2
Sustainability Is a Decision Process
Sustainability balances environmental health, human needs, fairness, and future effects. One action can help one group and burden another, so decision makers should hear people affected and examine data. Solutions are rarely perfect. A wetland may store water and habitat but need space and care. Paving may improve one path while increasing runoff. Responsible plans compare options, monitor results, and adapt. For a school water plan, students could compare meter readings before and after a repair. A measured decline suggests an effect, while weather and schedule changes remain possible influences
Trace Benefits and Effects
Ask where a resource comes from, who uses it, what benefits it provides, what effects occur, and which people or ecosystems experience them
Use a Four-Column Trade-Off Chart
List benefits, costs, who is affected, and evidence needed. This prevents one-sided ‘green choice’ answers
Natural Does Not Mean Impact-Free
Renewable resources, dams, farms, and plant-based products can still affect ecosystems and communities
Audit a School Resource
Using teacher-provided information, trace paper or water use, suggest one realistic conservation step, and name how its result could be measured
Resource chains create benefits and effects. Sustainability compares present and future needs, fairness, environmental health, and measurable trade-offs
Practice and answer guide
Work through all 10 questions. Open an answer only after you have written or explained your response.
- 1. Which is generally nonrenewable? A. coal B. sunlight C. wind
Check answer
Coal
- 2. Why can a forest be overused even though trees regrow?
Check answer
Use can exceed the rate of regrowth or damage the larger forest system
- 3. Name two resources used in paper production
Check answer
Accept trees, water, energy, land, or minerals used in equipment
- 4. State one benefit and one environmental effect of paper
Check answer
Accept a real benefit and effect, such as communication and energy use
- 5. Define sustainability
Check answer
Meeting present needs while protecting future environmental and human well-being
- 6. Why should affected people be heard in a resource decision?
Check answer
They may experience benefits, costs, displacement, access changes, or environmental effects others miss
- 7. Name one trade-off in the flood-control visual
Check answer
Accept a supported comparison involving space, cost, habitat, access, runoff, or maintenance
- 8. Which is a measurable result? A. amount of paper used each week B. everyone feels it is perfect C. the plan sounds green
Check answer
Amount of paper used each week
- 9. Explain one way reuse differs from recycling
Check answer
Reuse uses an item again with little processing; recycling processes material into another product
- 10. Write one question to ask before adopting an environmental solution
Check answer
Accept a question about effects, cost, fairness, evidence, maintenance, or measurement