Class 12 Economics - BIHAR

Environment and Sustainable Development

The chapter Environment and Sustainable Development for Class 12 Economics explores the crucial balance between economic growth and environmental preservation. It highlights the functions of the environment, including resource supply and waste assimilation, and addresses the severe threats of pollution and resource depletion. Students will learn about global environmental issues like global warming and ozone depletion, India's environmental challenges, and the steps taken to achieve sustainable development. For Bihar Board (BSEB) students, this chapter is vital as it frequently features in both objective and subjective board questions due to its strong connection to current real-world issues.

Start Learning Free

Key Concepts

Environment

It is the total of biotic (living) and abiotic (non-living) elements that surround and influence human life, functioning as a life-sustaining system.

Carrying Capacity

The maximum population or level of resource exploitation that the environment can support sustainably without undergoing permanent degradation.

Opportunity Cost of Economic Development

The environmental damage and resource depletion suffered as a byproduct of rapid industrialization and economic growth.

Sustainable Development

Development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

Global Warming

A gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide and other pollutants.

Important Formulas

Sustainable Development = Present Economic Growth + Preservation for Future Generations
Opportunity Cost = Value of Best Foregone Environmental Alternative
Net Economic Welfare = Gross Domestic Product - Environmental Degradation Costs

Board Exam Info

In the Bihar (BSEB) Class 12 Economics exam, this chapter typically carries around 6 to 8 marks. Questions usually include multiple-choice questions (MCQs) on environmental terms, short-answer questions defining sustainable development, and long-answer descriptive questions on strategies for achieving sustainable development in India.

Frequently Asked Questions

What are the four vital functions of the environment?

The four main functions are: supplying resources, assimilating waste, sustaining life by providing genetic and biodiversity, and providing aesthetic services.

Why is sustainable development necessary for India?

It is necessary because India's rapid economic growth has led to severe pollution, deforestation, and depletion of natural resources, which threaten long-term welfare and future growth.

What is the difference between renewable and non-renewable resources?

Renewable resources can be replenished naturally over time (like solar and wind energy), whereas non-renewable resources exist in limited quantities and get exhausted with use (like coal and petroleum).

Learn Environment and Sustainable Development with Your AI Tutor

10 different ways to study this chapter. Free for 3 chapters per day.

Lecture

Key Points

Interactive

Quiz

Flashcards

Start Learning Free

More Economics Chapters - BIHAR Class 12