Big, Medium, Small: 3 Net-Zero Energy Buildings
![Nature, Outdoors, Rural, net-zero energy buildings](https://blog.dormakaba.com/tachyon/2020/11/5.jpg)
Buildings and construction are responsible for 39 percent of the carbon emissions in the world. Operational emissions, meaning the energy required to heat, cool, or light a building, account for 28 percent of overall emissions.