Hemp and algae could be used to build high-rises that are actually good for the planet. Urban Sequoia shows that it’s possible.
![This stunning high-rise would absorb more carbon dioxide than it produces – Fast Company This stunning high-rise would absorb more carbon dioxide than it produces – Fast Company](https://magazine.dagga.za.net/wp-content/uploads/2017/08/Dagga-Magazine-Hemp-News.jpg)
Hemp and algae could be used to build high-rises that are actually good for the planet. Urban Sequoia shows that it’s possible.