The countries that signed the Kyoto Protocol (which aimed to reduce greenhouse- gas emissions by an aggregate 5% below 1990 levels by 2012)represented approximately what fraction of global greenhouse gas emissions?

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The countries that signed the Kyoto Protocol represented approximately 33% of global greenhouse gas emissions, as major emitters like the United States did not ratify the protocol, and developing countries like China and India were not required to reduce emissions under the agreement.

The Countries That Signed the Kyoto Protocol (Which Aimed to Reduce