The pace of emissions reductions will need to double after 2020 to achieve the 2025 target, and the United States will need to sustain that accelerated pace through 2050. The MCS demonstrates how the United States can meet the growing demands on its energy system and lands while achieving a low-emissions pathway, maintaining a thriving economy, and ensuring a just transition for Americans whose livelihoods are connected to fossil fuel production and use. It also shows how the momentum of technological progress created by global commitments to low-carbon innovation and policies will enable increasingly ambitious climate action from all countries.DEVELOPING A VISION FOR 2050 The mid-century vision described in this report is grounded in decades of research and analysis by the U.S. government.