The report "Renewable Energy Policies in a Time of Transition: Heating and Cooling" by IRENA, OECD/IEA and REN21 provides an overview of the current state of renewable energy policies for heating and cooling. The report highlights the importance of transitioning to renewable energy sources for both environmental and economic reasons. It also discusses the challenges and opportunities associated with implementing renewable energy policies for heating and cooling, including the need for infrastructure development and the potential for job creation. Overall, the report emphasizes the need for a coordinated and comprehensive approach to renewable energy policies for heating and cooling in order to achieve a sustainable and efficient energy system.