The correct option is A Only 1
The Kyoto Protocol is a protocol (update) to the United Nations Framework Convention on Climate Change. It was initially adopted on 11 December 1997 in Kyoto, Japan and entered into force on 16 February 2005. As of July 2010, 191 states have signed and ratified the protocol. Out of the 40 Annex-I countries, 37 countries have committed themselves to a reduction of 6 gases four greenhouse gases (GHG) viz. carbon dioxide, methane, nitrous oxide, sulphur hexafluoride Two groups of gases viz. hydrofluorocarbons and perfluorocarbons produced by them.