A green roof, or 'living roof' really helps regulate the temperature of a house or building, keeping it cooler in the summer and warmer in the winter. You can even graze your goats on them! Indeed: goats can climb ladders, they are quite agile!
"The Smuggler's Cottage" built on a rock in a lake. The lower room is carved from the rock. The upper room and loft are built atop the rock.-----Good Sam Showcase of Miniatures: Fantasy Structures by Rik Pierce, Frogmorton Studios