The Paris Agreement is a legally binding international treaty on climate change. The Paris Agreement on climate change requires parties to carry out a global.Gases that trap heat in the atmosphere are called greenhouse gases. This section provides information on emissions and removals of the main greenhouse gases. The California Global Warming Solutions Act of 2006 (AB 32) commits. California to reduce its greenhouse gas (GHG) emissions to 1990 levels by. The Kyoto Protocol is an international agreement adopted in 1997 that aimed to reduce carbon dioxide emissions and the presence of greenhouse gases. In their NDCs, countries communicate actions they will take to reduce their greenhouse gas emissions in order to reach the goals of the Paris Agreement. The United Nations invited countries to sign a climate convention that would commit each to reducing greenhouse gas emissions.