Modular design has made an architectural breakthrough. Not only is it here to stay, it is changing the way we think, build and live. In this article, we offer a brief overview of modular design, beginning with outstanding micro-modular innovations at home and abroad. Then, we raise the bar on tall-and-modular. Wait until you see some of the city skylines around the world. Finally, we look at the green side of life in the city. How are modular design trends and innovations not just interesting but also sustainable and eco-friendly?