Environment & Ecology · Environmental Treaties & Protocols
By which year did the 1990 London Amendment to the Montreal Protocol mandate the complete phase-out of chlorofluorocarbons (CFCs), carbon tetrachloride, and halons for developed countries?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11997
- 22000✓
- 32010
- 41992
Correct answer
2000
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