---
title: "Industrial revolution and environmental issues"
subject: "Technology, Environment and Society"
chapter: 3
key: "semester_7/technology_environment_and_society:industrial-revolution-environment"
source: https://www.bctengineer.com/q/semester_7/technology_environment_and_society/industrial-revolution-environment
site: BCT Engineering
---

# Industrial revolution and environmental issues

Technology, Environment and Society · Chapter 3: Brief History of Human Civilization

- Asked in: 2081 Baisakh, 8 marks
- Video: [What have been the consequences of the Industrial Revolution for our environment?](https://www.youtube.com/watch?v=lk-9J03uYtA) — Big History MOOC
- 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/industrial-revolution-environment
- Whole chapter: https://www.bctengineer.com/md/semester_7/technology_environment_and_society/chapter-3

## Question

Discuss about major technological developments during initial industrial revolution and how industrial revolution lead to major environmental issues.

## Short answer

Major technologies included textile machines, Watt's steam engine, coke iron smelting, and railways. Environmental damage arose from coal smoke causing smog and acid rain, factory waste polluting rivers, deforestation, and rising CO2 emissions that initiated climate change.

## Answer

The **Industrial Revolution** was the change from hand production to machine and factory production that began in **Britain around 1760** and spread to Europe and the USA in the 19th century. It used coal-powered steam engines and mechanised industries.

#### Major technological developments (initial Industrial Revolution, about 1760–1840)

1. **Textile machines** – flying shuttle (John Kay, 1733), spinning jenny (Hargreaves, 1764), water frame (Arkwright, 1769), spinning mule (Crompton, 1779), power loom (Cartwright, 1785); cotton gin (Whitney, 1793).
2. **Steam engine** – Newcomen engine (1712) pumped water from mines; **James Watt's** improved steam engine (1769) powered factories, mills and later transport.
3. **Iron and steel** – coke smelting (Abraham Darby, 1709), puddling process (Henry Cort, 1784); later the Bessemer process (1856) for cheap steel.
4. **Coal mining** – coal replaced wood and water as the main energy source.
5. **Transport** – canals, better roads (McAdam), steam locomotive (Stephenson's Rocket, 1829) and railways; steamships.
6. **Machine tools** – lathes and standard parts allowed mass production.
7. **Communication** – electric telegraph (1830s–40s).

#### How the Industrial Revolution led to major environmental issues

1. **Air pollution** – burning coal released smoke, soot and SO₂; cities like London and Manchester suffered heavy smog (later the Great Smog of London, 1952, killed about 4,000+ people).
2. **Climate change** – burning fossil fuels raised atmospheric CO₂ from about 280 ppm before 1750 to over 420 ppm today, causing global warming.
3. **Water pollution** – factories dumped dyes, chemicals and waste into rivers (Thames "Great Stink" of 1858); sewage from crowded towns spread cholera and typhoid.
4. **Deforestation and land degradation** – forests cut for timber, charcoal and farmland; mining scarred the land.
5. **Resource depletion** – rapid use of coal, iron ore and later oil.
6. **Acid rain** – SO₂ and NOₓ emissions damaged forests, lakes and buildings.
7. **Urbanisation problems** – slums, solid waste, poor sanitation and noise.
8. **Loss of biodiversity** – habitat destruction and pollution.

```text
Coal + steam --> factories, railways --> more coal
      |                                    |
   smoke, CO2, SO2                    mining waste
      v                                    v
 smog, acid rain,                 land and water
 global warming                   pollution
```

Thus the Industrial Revolution brought great economic growth but also began most of today's environmental problems, which later led to environmental laws, cleaner technologies and the idea of sustainable development.

## Check yourself

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

1. Which energy source powered the initial Industrial Revolution's steam engines and factories?
   A. Wood and charcoal
   B. Coal
   C. Petroleum
   D. Hydroelectricity
   Answer: B. Coal replaced wood and water as the main energy source and fed the steam engines. (Key point: Energy source)

2. What was the significance of James Watt's improved steam engine (1769)?
   A. It pumped water from mines only
   B. It powered factories, mills and later transport
   C. It was the first electric telegraph
   D. It made cheap steel
   Answer: B. Watt's engine was efficient enough to power factories and mills and later transport, unlike Newcomen's engine that mainly pumped mines. (Key point: Watt's steam engine)

3. Why did the burning of coal in industrial cities cause smog and acid rain?
   A. It released smoke, soot and SO2 (and NOx) into the air
   B. It released only CO2, which is acidic
   C. It removed oxygen from the rivers
   D. It destroyed the ozone layer directly
   Answer: A. Coal smoke, soot and SO2/NOx caused smog, and SO2 and NOx form acids that damage forests, lakes and buildings. (Key point: Air pollution and acid rain)

4. What was the main cause of water pollution and disease in industrial towns?
   A. Natural floods
   B. Dumping of dyes, chemicals and sewage into rivers
   C. Excess rainfall
   D. Use of steamships only
   Answer: B. Factories dumped waste in rivers (Thames Great Stink, 1858) and sewage from crowded towns spread cholera and typhoid. (Key point: Water pollution)

## Related in Technology, Environment and Society

- [Short note: Major global environmental issues](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Aglobal-env-issues-note) — Technology, Environment and Society, chapter 4
- [Nepal's immediate environmental issues and technology](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Anepal-env-issues-technology) — Technology, Environment and Society, chapter 4, asked 2×
- [Global environmental issues: causes and consequences](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Aglobal-env-issues-causes) — Technology, Environment and Society, chapter 4
- [Nepal's environmental issues and global effort](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Anepal-env-issues-global-effort) — Technology, Environment and Society, chapter 4
- [Nepal's environmental issues and mitigation strategies](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Anepal-env-issues-strategies) — Technology, Environment and Society, chapter 4
- [Short note: Industrial Revolution](https://www.bctengineer.com/question.md?key=semester_7%2Ftechnology_environment_and_society%3Aindustrial-revolution-note) — Technology, Environment and Society, chapter 3

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