What is driving building decarbonization? Buildings account for a nearly 40% of U.S. GHG emissions, and almost a third are directly attributed to burning fossil fuels onsite. A significant, but smaller portion is from embodied carbon. The carbon emissions of buildings have remained flat in recent years, while the carbon intensity of the utility grid has declined. This slide deck will introduce the reasons behind the building decarbonization movement and why it’s so important.