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What is the Kyoto Protocol? | UNFCCC
Kyoto Protocol - Wikipedia
Kyoto Protocol | History, Provisions, & Facts | Britannica
Marking the Kyoto Protocol’s 25th anniversary | United Nations
What Is The Kyoto Protocol? Definition, History, Timeline, and …
Kyoto Protocol to the United Nations Framework Convention on …
Kyoto Protocol Signed - National Geographic Society
Text of the Kyoto Protocol | UNFCCC