---
title: "Sustainable development and LEP"
subject: "Technology, Environment and Society"
chapter: 2
key: "semester_7/technology_environment_and_society:sustainable-development-lep"
source: https://www.bctengineer.com/q/semester_7/technology_environment_and_society/sustainable-development-lep
site: BCT Engineering
---

# Sustainable development and LEP

Technology, Environment and Society · Chapter 2: Development Approach

- Asked in: 2076 Chaitra, 8 marks
- Answer checked by Claude Opus 5.5 (high effort) on 2026-10-14
- Page: https://www.bctengineer.com/q/semester_7/technology_environment_and_society/sustainable-development-lep
- Whole chapter: https://www.bctengineer.com/md/semester_7/technology_environment_and_society/chapter-2

## Question

Discuss about components of sustainable development. How do you relate LEP approaches with sustainable development?

## Short answer

Sustainable development has environmental, economic and social pillars, with institutional/technological aspects added. The LEP approach—Labour-based, Environment-friendly, Participatory—supports all pillars: local jobs and income, protection of slopes and resources, and community ownership, making infrastructure sustainable in fragile mountain contexts.

## Answer

**Sustainable development** is "development that meets the needs of the present without compromising the ability of future generations to meet their own needs" (Brundtland Commission report *Our Common Future*, 1987). The UN's **Sustainable Development Goals (SDGs)**, 17 goals adopted in 2015 for the period 2016–2030, are the current global framework.

#### Components (pillars) of sustainable development
1. **Environmental sustainability:** use natural resources within their regeneration capacity, reduce pollution and waste, conserve biodiversity, use renewable energy, address climate change.
2. **Economic sustainability:** steady economic growth, productive employment, efficient use of resources, poverty reduction, without depleting natural capital.
3. **Social sustainability:** equity, inclusion, health, education, gender equality, human rights, cultural preservation and community participation.

Some textbooks add **institutional/governance** (good governance, transparency, participation) and **technological** sustainability (appropriate, clean technology).

```text
        Social
        /    \
       / SD   \
  Economic -- Environment
 (development is sustainable only
  where all three overlap)
```

#### Relation of LEP with sustainable development
The **LEP approach** (Labour-based, Environment-friendly, Participatory) directly supports each pillar:

| LEP element | Pillar served | How |
|---|---|---|
| Labour-based | Economic, social | Local jobs and income, low capital and import cost, skills |
| Environment-friendly | Environmental | Balanced cut-fill, drainage, bio-engineering, fewer landslides |
| Participatory | Social, institutional | Ownership, inclusion, transparency, empowerment |

- **Economic:** money spent as local wages reduces poverty and keeps costs low; local O&M reduces future expenses.
- **Environmental:** green roads and eco-friendly works protect slopes, forests and water, so the asset and nature last longer.
- **Social:** women, Dalits and poor people get jobs and committee roles; communities gain confidence and skills.
- **Institutional:** users' committees, public hearings and public audits build local governance.
- **Long-term sustainability:** because people own the infrastructure, they maintain it, so benefits continue for future generations.

*Example:* a green rural road in Nepal built by local labour with bio-engineering and a users' committee provides access, income and stable slopes – meeting present needs without harming future ones.

Hence LEP is a practical way of achieving sustainable development at the local level, especially in a labour-rich, fragile mountain country like Nepal.

## Check yourself

The answer's key points as multiple-choice questions, with the correct option and why.

1. Sustainable development, per the Brundtland Commission, is development that:
   A. Maximises present growth only
   B. Stops all development
   C. Meets present needs without compromising the ability of future generations to meet theirs
   D. Prioritises the economy over nature
   Answer: C. This is the Brundtland definition from Our Common Future (1987). (Key point: Definition of sustainable development)

2. Which are the three main pillars of sustainable development?
   A. Technical, legal, financial
   B. Roads, water, energy
   C. Public, private, foreign
   D. Environmental, economic and social
   Answer: D. Sustainability needs environmental, economic and social components; some add institutional and technological. (Key point: Three pillars)

3. Which LEP element mainly serves the environmental pillar?
   A. Environment-friendly (cut-fill balance, drainage, bio-engineering)
   B. Labour-based
   C. Participatory
   D. None of them
   Answer: A. Environment-friendly practices reduce landslides and protect slopes, forests and water. (Key point: LEP and pillars)

4. Why does LEP keep benefits going for future generations?
   A. Machines do all maintenance
   B. People own the infrastructure so they maintain it
   C. Government pays all repairs
   D. Roads need no maintenance
   Answer: B. Ownership through participation leads to local maintenance and lasting benefits. (Key point: Long-term sustainability)

## Related in Technology, Environment and Society

- [LEP, approaches and engineer's role in community](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Alep-engineer-community-development) — Technology, Environment and Society, chapter 2
- [LEP approach in infrastructure development](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Alep-infrastructure-development) — Technology, Environment and Society, chapter 2
- [LEP, ethnographic and participatory approaches](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Alep-ethnographic-participatory) — Technology, Environment and Society, chapter 2
- [LEP features and engineers as facilitators](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Alep-features-engineer-facilitator) — Technology, Environment and Society, chapter 2
- [LEP for Nepal and community empowerment process](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Alep-nepal-community-empowerment) — Technology, Environment and Society, chapter 2

## Related in other subjects

- [Appropriate technology and sustainable development elements](https://www.bctengineer.com/question.md?key=semester_7%2Fenergy_environment_and_society%3Aappropriate-technology-sustainable-elements) — Energy Environment and Society, chapter 1
- [Role of electrical energy in sustainable development](https://www.bctengineer.com/question.md?key=semester_7%2Futilization_of_electrical_energy%3Aelectrical-energy-sustainable-development) — Utilization of Electrical Energy, chapter 1, asked 2×
- [Impact of technology, sustainable development](https://www.bctengineer.com/question.md?key=semester_7%2Fenergy_environment_and_society%3Atechnology-impact-society-sustainable) — Energy Environment and Society, chapter 1
- [Natural resource management approaches and sustainability](https://www.bctengineer.com/question.md?key=semester_6%2Fenergy_resources%3Aenvironment-development-society-resource-management) — Energy Resources, chapter 8
