There are so many benefits to creating a green roof - they don't just look pretty (and they really do look attractive!).One of the key benefits is that they absorb and use rainwater, which means it doesn't end up in our drainage systems. This article below by Gardens Illustrated says that in the summer a green roof can store 75% of rain, while in the winter it can store 40% of winter rainwater. The water stored will feed the plants but can also be evaporated back into the atmosphere. Green roofs can work really well in a domestic setting on a garage,