More broadly, Mexicoâs long- term climate strategy aims to catalyze a profound transformation of its economy, addressing climate change as well as the national priorities of sustainable and more inclusive development.The United States strongly encourages countries that are developing mid-century strategies to include a basic set of elements that will help them stand up to the scrutiny of the international community, including: â¢ Mid-century emissions visions. An MCS should include an economy-wide, quantitative vision for emissions reductions in 2050 that captures all of the nationâs emissions sources and sinks. If objectives are provided in terms of reductions below current or historical emissions levels, the assumed âbase yearâ should be explicitly stated. Exploring multiple scenarios can be useful, but all should be consistent with an ambitious mid-century vision.