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CSS Environmental Science Past Paper 2026

CSS Environmental Science 2026 carries 100 marks over 3 hours. It has 7 questions.

Marks
100
Time
3 hours
Questions
7

Years

How to attempt: Attempt ONLY FOUR questions from PART-II. ALL questions carry EQUAL marks.

Questions

Question 1 (Part I) is the paper's MCQs, which are not reproduced here.

  1. Q. 2
    Define greenhouse effect. How does it work? Which pollutants cause global warming? Why is Pakistan highly vulnerable despite contributing less than 1% to global GHG emissions?
    (20)
  2. Q. 3
    Discuss important components of Pakistan’s National Climate Change Policy. What is the impact of 18th amendment on Climate Change Policy formulation in Pakistan? How can Pakistan benefit from COP28 & COP30?
    (20)
  3. Q. 4
    Discuss the impact of deforestation, urbanization, and unsustainable land use on Pakistan’s carbon footprint. How can reforestation and green infrastructure mitigate climate risks?
    (20)
  4. Q. 5
    Assess the role of Environmental Impact Assessment (EIA) & Initial Environmental Examination (IEE) in large-scale energy and infrastructure projects in Pakistan. How can EIAs be strengthened to include climate change risks?
    (20)
  5. Q. 6
    Evaluate the effectiveness of the Pakistan Environmental Protection Act, 1997 and Pak EPA Regulations 2000 in addressing environmental governance and pollution control?
    (20)
  6. Q. 7
    Discuss how Pakistan can integrate Sustainable Development Goals (SDGs) with national climate policy. Which SDGs are most closely linked with climate adaptation and mitigation? Why it is considered essential for long-term environmental sustainability?
    (20)
  7. Q. 8
    Write short notes on any TWO of the following: (10 each)
    (20)
    • (a)
      Environmental Management Systems (ISO 14000)
      (10)
    • (b)
      Natural Resources Management
      (10)
    • (c)
      United Nation Framework Convention on Climate Change (UNFCCC)
      (10)
  1. Part-II is to be attempted on the separate Answer Book.
  2. Attempt ONLY FOUR questions from PART-II. ALL questions carry EQUAL marks.
  3. All the parts (if any) of each Question must be attempted at one place instead of at different places.
  4. Write Q. No. in the Answer Book in accordance with Q. No. in the Q.Paper.
  5. No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed.
  6. Extra attempt of any question or any part of the question will not be considered.