UNIT 9: Sustainable Development
7 MarksDetailed handwritten-style notes in very simple and easy English
Index / Contents
- Sustainable Development: Meaning and Concept
- History of Sustainable Development
- Characteristics of Sustainable Development
- Goals of Sustainable Development
- Components of Sustainable Development
- Social Component
- Environmental Component
- Cultural Component
- Economic Component
- Ecotourism
- EIA: Meaning, Scope and Key Elements
- Important Comparison Tables
- Quick Revision Sheet
- Board Exam Questions with Answers
- Practice Questions
1. Sustainable Development: Meaning and Concept
In simple words, sustainable development means using resources carefully today so that people in the future can also use them. It supports progress, but it does not destroy nature or create serious problems for future generations.
Simple example
If we cut all trees for quick profit, we may earn money today, but future generations will face soil erosion, less rainfall, loss of wildlife and poor air quality. Sustainable development means using forests carefully, planting new trees and taking only what nature can replace.
Why is sustainable development needed?
- Natural resources are limited.
- Population and human needs are increasing.
- Pollution is damaging air, water and soil.
- Forests and biodiversity are being lost.
- Climate change is creating new risks.
- Future generations also have a right to resources.
2. History of Sustainable Development
1. Early idea of conservation
People in earlier societies understood that forests, water, soil and animals must be protected for survival. Traditional communities often used local resources according to natural limits.
2. Industrial Revolution
During industrialisation, factories, mining and fossil fuel use increased. Production and income increased, but pollution, deforestation and resource depletion also became serious problems.
3. Stockholm Conference, 1972
The United Nations Conference on the Human Environment was held in Stockholm in 1972. It increased international attention towards environmental protection and human development.
4. Brundtland Report, 1987
5. Earth Summit, Rio de Janeiro, 1992
The 1992 Earth Summit highlighted sustainable development, environmental protection and international cooperation. Agenda 21 was also associated with this conference.
6. Sustainable Development Goals, 2015
In 2015, the United Nations adopted 17 Sustainable Development Goals (SDGs) to be achieved by 2030. These goals cover poverty, health, education, equality, environment, peace and partnerships.
3. Characteristics of Sustainable Development
- Long-term thinking: It considers both present and future generations.
- Resource conservation: It uses water, soil, forests and minerals carefully.
- Environmental protection: It reduces pollution and protects biodiversity.
- Social justice: Benefits and resources should be shared fairly.
- Economic development: It supports jobs, income and better living conditions.
- Public participation: Local people should take part in decisions.
- Efficient use of resources: It reduces waste and encourages reuse and recycling.
- Intergenerational equity: Future generations should have opportunities similar to the present generation.
- Balance: It balances society, economy, culture and environment.
- Self-reliance and responsibility: People and institutions should accept responsibility for their actions.
4. Goals of Sustainable Development
| No. | Sustainable Development Goal | Simple meaning |
|---|---|---|
| 1 | No Poverty | End poverty everywhere. |
| 2 | Zero Hunger | End hunger and improve nutrition. |
| 3 | Good Health and Well-being | Ensure healthy lives for all. |
| 4 | Quality Education | Provide inclusive and good education. |
| 5 | Gender Equality | Give equal rights and opportunities to all genders. |
| 6 | Clean Water and Sanitation | Provide safe water and sanitation. |
| 7 | Affordable and Clean Energy | Provide reliable and cleaner energy. |
| 8 | Decent Work and Economic Growth | Support safe jobs and fair economic growth. |
| 9 | Industry, Innovation and Infrastructure | Build strong infrastructure and encourage innovation. |
| 10 | Reduced Inequalities | Reduce inequality within and among countries. |
| 11 | Sustainable Cities and Communities | Make cities safe, inclusive and sustainable. |
| 12 | Responsible Consumption and Production | Use materials and resources responsibly. |
| 13 | Climate Action | Take urgent action against climate change. |
| 14 | Life Below Water | Protect oceans and marine life. |
| 15 | Life on Land | Protect forests, soil and land biodiversity. |
| 16 | Peace, Justice and Strong Institutions | Promote peace, justice and accountable institutions. |
| 17 | Partnerships for the Goals | Work together globally to achieve the goals. |
Three important dimensions of SDGs
People
End poverty, hunger and inequality. Improve health, education and dignity.
Planet
Protect climate, forests, oceans, biodiversity and natural resources.
Prosperity
Support economic growth, jobs, innovation and better living standards.
Peace and Partnership
Promote justice, peace, cooperation and global teamwork.
5. Components of Sustainable Development
Sustainable development has four important components in this syllabus:
These components are connected. Economic growth without environmental protection may damage nature. Environmental protection without social justice may not help poor people. Therefore, all four components must work together.
6. Social Component
Main points
- Access to quality education and healthcare.
- Removal of poverty and hunger.
- Equal opportunities for women, men and disadvantaged groups.
- Safe housing, clean drinking water and sanitation.
- Employment and social security.
- Participation of local communities in development decisions.
- Protection of human rights and dignity.
Example
Building a dam may produce electricity, but sustainable planning must also consider displaced families, their jobs, culture, housing and compensation.
7. Environmental Component
Main points
- Protection of forests, wetlands, rivers and oceans.
- Conservation of biodiversity and wildlife.
- Reduction of air, water, soil and noise pollution.
- Control of greenhouse gas emissions.
- Protection of soil fertility and water resources.
- Use of renewable energy and cleaner technology.
- Waste reduction, reuse, recycling and safe disposal.
Example
Using solar energy instead of continuously burning coal can reduce air pollution and greenhouse gas emissions.
8. Cultural Component
Main points
- Protection of historical buildings and monuments.
- Respect for local languages, customs and festivals.
- Preservation of traditional knowledge and skills.
- Respect for indigenous and local communities.
- Promotion of cultural diversity.
- Development of tourism without destroying local culture.
Example
Ecotourism in a mountain village should provide income to local people while respecting their traditions, sacred places, dress, language and lifestyle.
9. Economic Component
Main points
- Creation of decent and safe employment.
- Fair distribution of economic benefits.
- Support for small businesses and local producers.
- Efficient use of raw materials and energy.
- Promotion of green technology and renewable energy.
- Long-term planning instead of only short-term profit.
- Development of circular economy practices.
Green economy
A green economy improves human well-being and social equality while reducing environmental risks. Examples include solar energy, recycling industries, sustainable farming and eco-friendly transport.
10. Ecotourism
Ecotourism is different from ordinary tourism because it gives special importance to conservation, local participation and environmental education.
Characteristics of ecotourism
- It takes place in natural or protected areas.
- It causes minimum damage to the environment.
- It supports local people and local employment.
- It respects local culture and traditions.
- It provides environmental education.
- It encourages wildlife and biodiversity conservation.
- It uses resources carefully and reduces waste.
- It promotes responsible behaviour among visitors.
Examples
- Guided nature walks in national parks.
- Bird watching with protection of habitats.
- Community-based homestays.
- Responsible trekking with no littering.
- Visits to wetlands and forests with conservation rules.
Benefits of ecotourism
Environmental benefits
Supports conservation, wildlife protection, habitat restoration and awareness.
Economic benefits
Creates jobs, supports local businesses and provides income to communities.
Social benefits
Improves community participation and encourages local development.
Cultural benefits
Protects local traditions, handicrafts, language and cultural heritage.
Problems of ecotourism
- Overcrowding may damage natural areas.
- Tourists may produce plastic and other waste.
- Noise can disturb wildlife.
- Construction of hotels may cause deforestation.
- Local culture may become commercialised.
- Water and energy use may increase.
Rules for responsible ecotourism
- Do not throw waste in natural areas.
- Do not disturb or feed wild animals.
- Stay on marked paths.
- Save water and electricity.
- Respect local communities and customs.
- Buy local products when possible.
- Avoid single-use plastic.
- Follow the instructions of forest and tourism authorities.
11. EIA: Meaning, Scope and Key Elements
In simple words, EIA asks: “What harm or benefit can this project cause to the environment and people?” It helps decision-makers plan safer and more responsible projects.
Why is EIA needed?
- To identify environmental risks before construction.
- To protect air, water, soil, forests and wildlife.
- To reduce pollution and ecological damage.
- To protect local communities and public health.
- To compare different project alternatives.
- To plan control and management measures.
- To support informed decision-making.
Scope of EIA
The scope of EIA means the areas and impacts that are studied during the assessment.
| Area | What is studied? |
|---|---|
| Physical environment | Air, water, soil, noise, climate and landscape. |
| Biological environment | Plants, animals, forests, wetlands, wildlife and biodiversity. |
| Social environment | Population, health, housing, livelihoods, displacement and public safety. |
| Economic environment | Employment, local business, income and project costs. |
| Cultural environment | Historical places, cultural heritage and traditional practices. |
| Risk and disaster | Accidents, chemical leakage, floods, fires and other hazards. |
Projects where EIA may be important
- Dams and large irrigation projects.
- Highways, railways and airports.
- Mining and quarrying.
- Industries and power plants.
- Large buildings and urban development.
- Oil, gas and chemical projects.
- Ports and major infrastructure projects.
Key elements / steps of EIA
1. Screening
Screening decides whether a proposed project needs an EIA and how detailed the assessment should be.
2. Scoping
Scoping identifies the important environmental issues, study boundaries and topics that must be examined.
3. Baseline study
Baseline study records the existing condition of the environment before the project begins. It may include air quality, water quality, soil, plants, animals and population.
4. Impact prediction
Experts predict the possible positive and negative effects of the project on the environment and people.
5. Analysis of alternatives
Different locations, technologies, designs or methods are compared. The aim is to select an option with lower environmental damage.
6. Mitigation measures
Mitigation means actions taken to avoid, reduce, repair or compensate for environmental damage.
7. Environmental Management Plan (EMP)
An EMP explains how environmental impacts will be controlled, monitored and managed during and after the project.
8. Public participation
People who may be affected by the project should receive information and, where required, get an opportunity to express their concerns.
9. Preparation of EIA report
The findings, predicted impacts, alternatives, mitigation measures and monitoring plans are presented in an EIA report.
10. Decision-making
The competent authority examines the assessment and decides whether the project should be approved, modified, rejected or given conditions.
11. Monitoring and audit
After approval, environmental conditions are monitored to check whether the project follows the required safeguards.
Advantages of EIA
- Prevents or reduces environmental damage.
- Improves project planning and design.
- Protects public health and local livelihoods.
- Encourages transparency and public participation.
- Reduces future costs related to pollution and damage.
- Supports sustainable development.
12. Important Comparison Tables
Sustainable development and conventional development
| Sustainable development | Unsustainable development |
|---|---|
| Considers present and future generations. | Focuses mainly on immediate benefits. |
| Protects natural resources. | May overuse or exhaust resources. |
| Reduces pollution and waste. | May create high pollution and waste. |
| Balances society, economy, culture and environment. | May ignore social or environmental costs. |
Ecotourism and ordinary tourism
| Ecotourism | Ordinary tourism |
|---|---|
| Focuses on nature protection and responsible travel. | May focus mainly on recreation and profit. |
| Supports local communities. | Benefits may not reach local people equally. |
| Attempts to reduce environmental damage. | May create waste, crowding and pollution. |
| Includes environmental education. | Education may not be a main purpose. |
EIA and Environmental Management Plan
| EIA | EMP |
|---|---|
| Identifies and predicts environmental impacts. | Explains how impacts will be managed and monitored. |
| Helps in project approval and planning. | Guides environmental protection during project activities. |
| Includes alternatives and impact analysis. | Includes practical control measures and responsibilities. |
13. Quick Revision Sheet
- Sustainable development: Meeting present needs without harming the ability of future generations to meet their needs.
- Brundtland Report: Our Common Future, 1987.
- Stockholm Conference: 1972.
- Earth Summit: Rio de Janeiro, 1992.
- SDGs: 17 global goals adopted in 2015 for achievement by 2030.
- Four components in this unit: Society, environment, culture and economy.
- Ecotourism: Responsible travel to natural areas that protects nature and supports local people.
- EIA: Study of possible environmental effects of a proposed project before approval.
- Screening: Decides whether EIA is needed.
- Scoping: Identifies important issues to be studied.
- Baseline study: Records existing environmental conditions.
- Mitigation: Measures to avoid or reduce environmental damage.
- EMP: Environmental Management Plan.
- Monitoring: Checking environmental performance after implementation.
14. Board Exam Questions with Answers
Very Short Answer Questions
Q1. Define sustainable development.
Answer: Sustainable development meets present needs without reducing the ability of future generations to meet their needs.
Q2. Name the report that gave the famous definition of sustainable development.
Answer: The Brundtland Report, also called Our Common Future, published in 1987.
Q3. How many SDGs are there?
Answer: There are 17 Sustainable Development Goals.
Q4. What is ecotourism?
Answer: Ecotourism is responsible travel to natural areas that protects the environment and supports local communities.
Q5. What is EIA?
Answer: EIA is a systematic process used to identify and evaluate the possible environmental impacts of a proposed project before approval.
Short Answer Questions
Q1. Write four characteristics of sustainable development.
Answer: It is long-term, conserves resources, protects the environment and promotes social fairness. It also encourages public participation and balances economic, social, cultural and environmental needs.
Q2. Explain the four components of sustainable development.
Answer: The social component focuses on human well-being and equality. The environmental component protects nature and resources. The cultural component protects traditions and heritage. The economic component supports stable income, jobs and responsible growth.
Q3. Write four benefits of ecotourism.
Answer: Ecotourism supports biodiversity conservation, creates local employment, protects cultural heritage and increases environmental awareness.
Q4. What is the scope of EIA?
Answer: The scope of EIA includes physical factors such as air, water and soil; biological factors such as plants and animals; social factors such as health and livelihood; economic factors; cultural heritage; and disaster risks.
Long Answer Questions
Q1. Define sustainable development and explain its characteristics.
Answer: Sustainable development means meeting present needs without reducing the ability of future generations to meet their needs. Its characteristics include long-term planning, conservation of resources, environmental protection, social justice, public participation, efficient resource use, intergenerational equity and balance among society, economy, culture and environment.
Q2. Explain ecotourism, its characteristics and benefits.
Answer: Ecotourism is responsible travel to natural areas that protects the environment and supports local communities. It takes place in natural areas, reduces damage, respects local culture, provides environmental education and supports biodiversity conservation. It creates employment, supports local businesses, increases awareness and encourages protection of nature. However, overcrowding, waste and careless construction can make ecotourism harmful.
Q3. Define EIA and explain its key elements.
Answer: Environmental Impact Assessment is a systematic process for identifying, predicting and evaluating the environmental effects of a proposed project before approval. Its key elements are screening, scoping, baseline study, impact prediction, analysis of alternatives, mitigation measures, Environmental Management Plan, public participation, EIA report, decision-making and monitoring.
15. Practice Questions
- Define sustainable development in simple words.
- Explain why sustainable development is necessary.
- Write a short note on the Brundtland Report.
- Describe the history of sustainable development.
- Write five characteristics of sustainable development.
- What are the Sustainable Development Goals?
- Name any ten SDGs.
- Explain the social component of sustainable development.
- Explain the environmental component of sustainable development.
- Write a note on cultural sustainability.
- Explain the economic component of sustainable development.
- Define ecotourism and write its characteristics.
- Explain the benefits and problems of ecotourism.
- Define EIA.
- Explain the scope of EIA.
- Write the key elements of EIA in sequence.
- Differentiate between EIA and EMP.
- Explain the importance of public participation in EIA.
- Prepare a flowchart showing the EIA process.
- Explain how sustainable development supports future generations.
Exam Writing Tips ✍️
- Start every answer with a clear definition.
- For long answers, use: meaning → characteristics/steps → examples → conclusion.
- Remember the four components: society, environment, culture and economy.
- Remember the EIA sequence: screening → scoping → baseline → prediction → mitigation → EMP → decision → monitoring.
- Use examples from forests, tourism, dams, industries and local communities.
- Underline keywords such as future generations, conservation, SDGs, ecotourism, EIA and mitigation.
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