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Environmental Impact Assessment (EIA)

Environment & Ecology

  • PYQs8
  • Articles1
I

Background

EIA is a critical tool for balancing development with environmental protection, a recurring theme in UPSC. Understanding its process, challenges, and effectiveness is essential for governance and sustainable development.

Environmental Impact Assessment (EIA) is a statutory process in India, mandated under the Environment (Protection) Act, 1986, to evaluate the potential environmental, social, and economic impacts of a proposed project before its implementation. It aims to integrate environmental concerns into the development process for sustainable outcomes.

II

Facts & tables

Legal Basis
Mandated by the Environment (Protection) Act, 1986.
Key Body
Involves an Expert Appraisal Committee (EAC) under the Union Ministry of Environment, Forests and Climate Change (MoEFCC).
Purpose
Aims to ensure development projects comply with environmental conditions and mitigate adverse impacts.
Process
Often involves public consultation and expert review before granting clearance.
Static syllabus anchors
Type Reference
Conceptual area Environmental Governance
Institutions & roles
Body Role
Union Ministry of Environment, Forests and Climate Change (MoEFCC) Regulates and grants clearance
Expert Appraisal Committee (EAC) Reviews projects for clearance
III

Prelims angle

Prelims angle: Factual recall

Prelims angle: Institutional roles and functions

  • Statutory under Environment (Protection) Act, 1986.
  • Evaluates project impacts before implementation.
  • MoEFCC and EAC are key bodies.
  • Aims for sustainable development.
  • Often faces challenges in implementation and compliance.
High-confidence PYQ links
Year Framing tags
2026 Multi-statement analysis, Factual recall
2025 Multi-statement analysis, Factual recall
2023 Statement-based questions, Conceptual understanding
2022 Factual recall, Institutional roles and functions
2020 Multi-statement analysis, Factual recall
2019 Statement-based questions, Conceptual understanding
2015 Factual recall, Institutional roles and functions
2014 Factual recall, Multi-statement analysis

Timeline

  1. Environmental Governance

    Conceptual area

  2. Prelims 2014

    Factual recall, Multi-statement analysis

  3. Prelims 2015

    Factual recall, Institutional roles and functions

  4. Prelims 2019

    Statement-based questions, Conceptual understanding

  5. Prelims 2020

    Multi-statement analysis, Factual recall

  6. Prelims 2022

    Factual recall, Institutional roles and functions

  7. Prelims 2023

    Statement-based questions, Conceptual understanding

  8. Prelims 2025

    Multi-statement analysis, Factual recall

  9. Prelims 2026

    Multi-statement analysis, Factual recall

  10. A perfect storm: On the Wayanad debris slip

    EIA is a legal framework for assessing project impacts on environment, crucial for sustainable development, involving MoEFCC and EAC.

See also

Environmental Impact Assessment (EIA)
Global Economic Governance and Development

Past papers

In the news

Try these PYQs

UPSC Prelims 2022 medium Environment & Ecology Open full page

Which one of the following has been constituted under the Environment (Protection) Act, 1986?

UPSC Prelims 2020 medium Environment & Ecology Open full page

Consider the following statements:

1. 36% of India’s districts are classified as “overexploited” or critical” by the Central Ground Water Authority (CGWA).
2. CGWA was formed under the Environment (Protection) Act.
3. India has the largest area under groundwater irrigation in the world.

Which of the statements given above is/are correct?

UPSC Prelims 2019 hard Environment & Ecology Open full page

Consider the following statements :
The Environment Protection Act, 1986 empowers the Government of India to
1. state the requirement of public participation in the process of environmental protection, and the Procedure and manner in which it sought
2. lay down the standards for emission or discharge of environmental pollutants from various sources

Which of the statements given above is/are correct?

UPSC Prelims 2014 medium Environment & Ecology Open full page

With reference to ‘Eco-Sensitive Zones’, which of the following statements is/are correct?
1. Eco-Sensitive Zones are the areas that are declared under the Wildlife (Protection) Act, 1972.
2. The purpose of the declaration of Eco-Sensitive Zones is to prohibit all kinds of human activities, in those zones except agriculture.

Select the correct answer using the code given below.

UPSC Prelims 2026 hard Environment & Ecology Open full page

Which of the following statements in relation to NIRANTAR (National Institute for Research and Application of Natural Resources to Transform, Adapt and Build Resilience), a platform of institutions under the Ministry of Environment, Forest and Climate Change, is/are correct ?

1. Ecosystem Survey and Analysis is a vertical under this platform, the lead institute of which is Botanical Survey of India, Kolkata.
2. Research and Management of Ecosystem Service is a vertical under this platform, the lead institute of which is Central Zoo Authority, New Delhi.
3. Capacity Development Support is a vertical under this platform, the lead institute of which is Indian Institute of Forest Management, Bhopal.

Select the answer using the code given below :

Show 3 more PYQs
UPSC Prelims 2015 easy Science & Technology Open full page

The Genetic Engineering Appraisal Committee is constituted under the

UPSC Prelims 2023 medium Environment & Ecology Open full page

Consider the following statements : 

Statement-I : According to the United Nation's 'World Water Development Report, 2022', India extracts more than a quarter of the world's groundwater withdrawal each year. 

Statement-II :India needs to extract more than a quarter of the world's groundwater each year to satisfy the drinking water and sanitation needs of almost 18% of world's population living in its territory.

Which one of the following is correct in respect of the above statements?

UPSC Prelims 2025 hard Environment & Ecology Open full page

Consider the following statements:

Statement I:
Article 6 of the Paris Agreement on climate change is frequently discussed in global discussions on sustainable development and climate change.

Statement II:
Article 6 of the Paris Agreement on climate change sets out the principles of carbon markets.

Statement III:
Article 6 of the Paris Agreement on climate change intends to promote inter-country non-market strategies to reach their climate targets.

Which one of the following is correct in respect of the above statements?