Interpretative declaration made upon ratification: "… in accordance with their national legal framework, and in consideration of the best and most up-to-date scientific information available and incorporated by the Intergovernmental Panel on Climate Change, the United Mexican States understands greenhouse gas emissions to mean the release into the atmosphere of greenhouse gases and/or their precursors and aerosols into the atmosphere, including, where applicable, greenhouse compounds, within a specific area and during a specific period of time."