Carbon markets and accounting — UPSC Prelims PYQs

7 questions in this bank come from Carbon markets and accounting, spanning UPSC Prelims papers from 2011 to 2025. Every question here carries all four options, the correct answer and a full explanation.

It has appeared in 7 of the last 16 papers, most heavily in 2025 with 1 question. That is a steady presence rather than a guaranteed one.

The themes examined most often within it are Carbon credit system mechanics (3), Circular economy assessment (2), Carbon markets and climate change (1), Environmental impact of waste and materials (1) and Environmental technologies and greenhouse gases (1). Those counts are of questions in which the theme is examined, not merely mentioned.

Between them they draw on 6 distinct themes, so this is a broader area than a single revision note can cover. That is 0.5% of the 1433 questions in the bank — useful for deciding how much revision time it deserves.

Its weight has held steady, at roughly 0.6 questions a year across the last five papers.

It was not examined in 9 of those papers. Each question below links to its full explanation and to related questions on the same theme from other years, so a weak area can be worked through in one pass rather than hunted for paper by paper.