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Delegates from 150 countries adopted the Kyoto Protocol on December 11, 1997, af
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December 1

Kyoto Protocol Signed: 150 Nations Pledge to Cut Emissions

Delegates from 150 countries adopted the Kyoto Protocol on December 11, 1997, after ten days of intense negotiations in Japan. The treaty committed industrialized nations to reduce greenhouse gas emissions by an average of 5.2% below 1990 levels by 2012. Developing nations, including China and India, were exempt, a provision that became the treaty's most contentious feature. The United States signed but never ratified it; President Bush withdrew in 2001, calling it 'fatally flawed' because it excluded developing nations. Despite American absence, 192 parties eventually ratified the protocol. Results were mixed: the European Union met its targets, but global emissions continued to rise because exempt nations industrialized rapidly. The Kyoto Protocol established the framework of binding emission targets that was later succeeded by the Paris Agreement in 2015.

December 1, 1997

29 years ago

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