Answer
(d)
Work Step by Step
The agreement did not require sufficient reductions in the carbon emissions of China and India despite their large population sizes.
The United States expressed concerns that the Kyoto Protocol did not impose sufficient emissions reduction commitments on developing countries with rapidly growing economies, such as China and India. As a result, the U.S. government felt that the agreement would not be effective in addressing global climate change without more comprehensive participation from all major emitters of greenhouse gases.
The answer is (d).
