填空题

The Kyoto Protocol requires ____-- to curb GHG emissions, especially CO₂.

【参考答案】

36 industrialized countries

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填空题

There are mitigative ways to help reduce ______.

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When ecological resilience is exceeded, the ecosystem becomes ______ unacceptable.

The Kyoto Protocol requires ____-- to curb GHG emissions, especially CO2.