Match List I (issue) with List II (agreement):

List I

i.Ozone depletion

ii.Carbon dioxide reduction

iii.Sustainable development

iv.Hazardous waste

List II

a.Basel Convention

b.Kyoto Protocol

c.Rio Summit

d.Montreal Protocol

Ai-d, ii-b, iii-c, iv-a ✓ Correct

Bi-d, ii-c, iii-b, iv-a

Ci-a, ii-b, iii-c, iv-d

Di-a, ii-c, iii-b, iv-d

Correct answer: (A) i-d, ii-b, iii-c, iv-a

Explanation

The correct pairing links each environmental issue to the agreement that addresses it.

Ozone depletion is tackled by the Montreal Protocol, which phases out ozone-harming chemicals.

Carbon dioxide reduction is the aim of the Kyoto Protocol on greenhouse gases.

Sustainable development was the central theme of the Rio Summit of 1992.

Hazardous waste and its cross-border movement is governed by the Basel Convention.

Together these treaties form key pillars of global environmental governance.

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