The Kyoto Protocol was adopted on 11 December 1997. Owing to a complex ratification process, it entered into force on 16 February 2005.Gases that trap heat in the atmosphere are called greenhouse gases. This section provides information on emissions and removals of the main greenhouse gases. With an equitable international agreement as a backdrop, the United States should enact a single, unified federal policy to manage GHG emissions. Global tourism accounts for c. This results in immense emissions of greenhouse gases. 15 NC counties and 1 VA county are under alert, including Mecklenburg, VA County.