Correct Answer: It is an agreement among countries to take steps to reduce global warming.

Solution : The correct option is It is an agreement among countries to take steps to reduce global warming .

The Kyoto Protocol is an international treaty aimed at addressing global climate change by reducing greenhouse gas emissions. The treaty is an extension of the United Nations Framework Convention on Climate Change (UNFCCC), which was established in 1992. Member countries committed to reducing their collective emissions of six greenhouse gases (carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbon, and, sulphur hexafluoride) to levels below those of the base year 1990.