Answer:
191 countries not including the U.S. are party to the Kyoto protocol which is an agreement intender to reduce global emissions of heat-trapped gases.
Step-by-step explanation:
The Kyoto Protocol is an international treaty that surged after the 1992 United Nations Framework Convention on Climate Change. that compromises all the countries to reduce the greenhouse emissions supported by scientific evidence. Many countries didn't join the treaty and many others didn't even declare if they were in or outside it, however, they have acted as if they were not. they did that to avoid political critics and debate, nevertheless, it is a matter of international interest.