emissions – n. a material that is given off or released
party – n. a person, group of country taking one side of an issue or dispute
decline – v. to go down, to be reduced in number or amount
convention – n. a formal agreement between two or more groups
greenhouse gases – n. a group of gasses that trap heat and are linked to increased temperatures in the atmosphere including carbon dioxide and methane
dominant – adj. more important, the most common