Environment & Ecology · Environmental Treaties & Protocols
Under the 1990 London Amendment to the Montreal Protocol, by which year were developing countries (Article 5 nations) mandated to phase out CFCs, carbon tetrachloride, and halons?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 21997
- 32010✓
- 42000
Correct answer
2010
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