Roofs are different wherever you go. Just about every building around the world has one, but they vary in shape, materials, durability and construction. Why is this so and why hasn't someone come up ..

We've all heard of slate roofs, tiled roofs even thatched roofs. But green roofs? They are more than just a trend. One of the first green roofs in Europe was created in Switzerland in 1914 and they ar..

Rooftop gardens are surprising, impressive and fun. Maybe it's because they are so counter-intuitive that people view them with admiration and wonder. They are a step away from reality. An organic, n..