Class 10 AI (417) - Employability Skills Unit 5

Green Skills-II

These original notes explain how everyday choices, workplaces, technology, and communities can support a healthier environment. Use the chapter contents to revise one topic at a time.

1. Introduction to Green Skills

Green skills are the knowledge, habits, and abilities that help people protect the environment and use resources responsibly. These skills are useful at home, in school, at work, and in the wider community.

Green skills are not limited to planting trees. They also include saving energy, reducing waste, choosing durable products, handling electronic devices responsibly, and making thoughtful decisions.

2. Environment and Human Life

The environment includes the natural and human-made surroundings in which living beings exist. Air, water, soil, forests, animals, buildings, roads, and communities are all connected to daily life.

People depend on the environment for food, water, energy, shelter, health, and livelihoods. When natural systems are damaged, the effects can reach homes, farms, cities, and workplaces.

3. Meaning of Sustainability

Sustainability means meeting present needs carefully while protecting the ability of future generations to meet their own needs.

A sustainable choice considers long-term effects. For example, using a refillable bottle reduces repeated plastic waste, while repairing a working device can delay unnecessary electronic waste.

4. Sustainable Development

Sustainable development is progress that balances environmental protection, social well-being, and economic needs. It aims to improve life without using resources carelessly or creating avoidable harm.

DimensionMain QuestionExample
EnvironmentalDoes the activity protect natural systems?Reducing pollution and conserving water
SocialDoes it support people fairly and safely?Providing clean surroundings and safe work conditions
EconomicCan it remain useful and affordable over time?Using energy-efficient equipment to lower waste and cost

5. Why Sustainable Development Matters

  • Natural resources are limited and should be used carefully.
  • Pollution affects health, soil, water, and air quality.
  • Wasteful habits increase pressure on communities and ecosystems.
  • Responsible development can create safer and cleaner livelihoods.
  • Future generations also need access to resources and opportunities.

6. Natural Resources

Natural resources are useful materials and conditions provided by nature. Examples include sunlight, water, air, soil, forests, minerals, and fossil fuels.

Resources support agriculture, transport, electricity, construction, industry, and daily household activities. Careful use reduces waste and helps maintain ecological balance.

7. Renewable and Non-Renewable Resources

Resource TypeMeaningExamples
RenewableCan be naturally replenished when managed responsiblySunlight, wind, flowing water, biomass
Non-RenewableForms very slowly and can be exhausted through heavy useCoal, petroleum, natural gas, many minerals

Renewable does not mean unlimited. Water, forests, and soil can still be damaged if they are misused.

8. Resource Conservation

Conservation means protecting resources and using them wisely. It does not mean avoiding all use. It means reducing unnecessary consumption and selecting better methods.

  • Use only what is required.
  • Repair items when practical.
  • Choose reusable products.
  • Share resources when individual ownership is unnecessary.
  • Protect trees, water bodies, and soil.

9. Energy Conservation

Energy conservation reduces avoidable electricity and fuel use.

  • Switch off lights, fans, and devices when not needed.
  • Use daylight and natural ventilation where suitable.
  • Choose energy-efficient equipment.
  • Avoid leaving chargers connected unnecessarily.
  • Use public transport, cycling, walking, or shared travel when practical.
  • Maintain appliances so they work efficiently.

10. Water Conservation

Fresh water is essential for drinking, hygiene, farming, and industry. Saving water is a practical responsibility.

  • Close taps properly after use.
  • Report or repair leaks.
  • Use a bucket when it saves water compared with continuous flow.
  • Reuse suitable water for plants or cleaning when safe.
  • Keep water sources free from waste and chemicals.
  • Support rainwater collection where suitable.

11. Understanding Waste

Waste is material that is discarded because it is no longer wanted or useful in its current form. Some waste can be reused, repaired, recycled, or processed safely.

Mixing every kind of waste together makes recovery harder. Responsible waste management begins with reducing waste and separating it correctly.

12. Types of Waste

Waste TypeExamplesSuitable Approach
BiodegradableFruit peels, vegetable scraps, leavesCompost or process separately where possible
RecyclableClean paper, glass, metal, selected plasticsSeparate and send through suitable recycling channels
HazardousSome chemicals, batteries, medical wasteHandle through authorised and safe methods
ElectronicOld phones, cables, chargers, computer partsUse authorised e-waste collection or recycling

13. Waste Management

Waste management includes reducing, separating, collecting, processing, recycling, and safely disposing of waste.

  1. Prevent unnecessary waste where possible.
  2. Separate waste into suitable categories.
  3. Reuse or repair useful items.
  4. Send recyclable materials through appropriate channels.
  5. Handle hazardous and electronic waste carefully.

14. The Five Rs

ActionMeaningExample
RefuseAvoid items that are not neededDecline an unnecessary disposable item
ReduceUse fewer resourcesPrint only when required
ReuseUse an item againCarry a refillable bottle
RepairFix a useful item instead of discarding it immediatelyRepair a bag or device when practical
RecycleProcess suitable waste into usable materialSeparate clean paper for recycling

15. Electronic Waste

Electronic waste, or e-waste, includes discarded electronic products and parts. Examples include mobile phones, batteries, keyboards, chargers, cables, and computer components.

E-waste should not be mixed casually with ordinary waste. Devices may contain useful materials as well as substances that require careful handling. Use authorised collection or recycling systems and remove personal data from devices before disposal.

16. Pollution

Pollution occurs when harmful substances or activities reduce environmental quality.

  • Air pollution: Harmful gases, smoke, and fine particles in the air.
  • Water pollution: Waste or chemicals entering water sources.
  • Soil pollution: Harmful substances damaging land quality.
  • Noise pollution: Excessive sound affecting comfort and health.

17. Climate Change

Climate change refers to long-term changes in climate patterns. Human activities such as heavy fossil-fuel use, deforestation, and wasteful consumption can increase environmental pressure.

Useful responses include conserving energy, protecting forests, reducing waste, using cleaner transport options, and supporting responsible production.

18. Green Economy

A green economy supports human well-being and economic activity while reducing environmental harm. It encourages efficient resource use, cleaner energy, responsible production, and safer livelihoods.

A green economy does not mean stopping development. It means improving how development happens.

19. Green Jobs

Green jobs contribute to environmental protection or responsible resource use.

  • Solar-panel technician
  • Waste-segregation coordinator
  • Energy auditor
  • Organic farming specialist
  • Water-conservation worker
  • Environmental educator
  • Public-transport planner
  • Repair and refurbishment technician

Many ordinary jobs can also become greener when workers use resources thoughtfully.

20. Technology and Sustainability

Technology can help measure, reduce, and manage environmental impact when it is used responsibly.

  • Smart controls can reduce unnecessary electricity use.
  • Digital documents can reduce avoidable paper use.
  • Data analysis can help track water, energy, and waste patterns.
  • Online meetings can reduce some travel needs.
  • Repair information can extend the useful life of devices.

Digital tools also require energy and hardware, so they should be used efficiently rather than wastefully.

21. Green Practices at Work and School

  • Switch off unused devices and lights.
  • Use both sides of paper where appropriate.
  • Share notices digitally when suitable.
  • Place labelled bins for waste separation.
  • Maintain equipment so it lasts longer.
  • Carry reusable bottles and lunch containers.
  • Track water or energy use during awareness activities.
  • Keep classrooms and workspaces clean.

22. Role of an Individual

Environmental responsibility becomes meaningful through regular habits. One person cannot solve every environmental challenge alone, but everyday decisions influence families, schools, and communities.

  1. Observe where resources are being wasted.
  2. Choose one practical improvement.
  3. Follow the habit consistently.
  4. Encourage others respectfully.
  5. Review whether the change is working.

23. Practical Green Project: Classroom Resource Check

A class can conduct a simple weekly resource check.

  1. List areas to observe: lights, fans, paper, taps, and waste bins.
  2. Record where waste is happening without blaming individuals.
  3. Select one improvement, such as switching off unused fans or separating paper waste.
  4. Follow the change for one week.
  5. Review the results and decide the next small improvement.

This activity builds observation, teamwork, responsibility, and problem-solving skills.

24. Important Terms

Green Skills
Knowledge and habits that support environmental responsibility.
Sustainability
Meeting present needs while protecting future needs.
Sustainable Development
Development that balances environmental, social, and economic needs.
Conservation
Protecting resources and using them wisely.
Renewable Resource
A resource that can be naturally replenished when managed responsibly.
Non-Renewable Resource
A resource that forms slowly and can be exhausted.
E-Waste
Discarded electronic products and components.
Green Economy
An economy that supports livelihoods while reducing environmental harm.
Green Job
Work that contributes to environmental protection or responsible resource use.

25. Revision Questions and Answers

Very Short Answer Questions

1. What are green skills?
Green skills are knowledge and habits that help people protect the environment and use resources responsibly.

2. What is sustainability?
Sustainability means meeting present needs while protecting the ability of future generations to meet their needs.

3. Give two examples of renewable resources.
Sunlight and wind are renewable resources.

4. What is e-waste?
E-waste is discarded electronic products and components such as phones, chargers, and computer parts.

5. What is a green job?
A green job is work that contributes to environmental protection or responsible resource use.

Short Answer Questions

1. Explain the difference between renewable and non-renewable resources.
Renewable resources can be naturally replenished when managed responsibly, while non-renewable resources form very slowly and can be exhausted through heavy use.

2. Write any four ways to conserve energy.
Switch off unused devices, use daylight where practical, choose efficient equipment, and avoid leaving chargers connected unnecessarily.

3. Why should waste be separated?
Waste separation makes reuse, composting, recycling, and safe handling easier. Mixing waste together can make recovery more difficult.

4. Explain the Five Rs.
The Five Rs are Refuse, Reduce, Reuse, Repair, and Recycle. They help reduce unnecessary waste and extend the useful life of materials.

Long Answer Questions

1. Explain sustainable development.
Sustainable development is progress that balances environmental protection, social well-being, and economic needs. It improves life while reducing avoidable harm and protecting resources for the future.

2. Describe practical green practices for a school.
A school can switch off unused lights and devices, use paper carefully, share suitable notices digitally, separate waste, maintain equipment, reduce water waste, and conduct simple resource checks with students.

3. Explain how technology can support sustainability.
Technology can track energy, water, and waste patterns, support digital documents, reduce some travel through online meetings, and improve equipment efficiency. It should still be used carefully because devices and digital services also consume resources.