Other developments in energy efficiency relate to so-called living roofs otherwise known as green roofs. In such a roof, vegetation covers thereby absorbing sunlight, reducing heat absorption, and improving insulation. Besides regulating temperature, green roofs help in managing stormwater runoff, improve air quality, and provide natural habitats for birds and insects.

They work best in urban areas, particularly in fighting the heat island effect of too much concrete and asphalt absorbing and then retaining the heat.