The document provides an overview and summary of key elements of Assembly Bill 649 and Senate Bill 450, which address clean energy and climate change issues in Wisconsin. The summary includes goals to reduce greenhouse gas emissions and increase renewable energy and energy efficiency. It also describes programs for energy efficiency, renewable portfolio standards, renewable tariffs, and considerations for new nuclear power plants. Additional sections cover transportation initiatives, energy efficient buildings and equipment, roles for state and local government, bioenergy, industrial efficiency incentives, and coordinating climate change programs.