We may receive a commission on purchases made from links. Concrete blocks certainly aren't known as an eco-friendly material. It's resource-intensive to manufacture them, and the process pumps more ...

Growing up in Evanston, Libby Shafer hated the city’s grass lawns. They are overly manicured, which is “wasteful” and takes up too much space and energy, she said. Now, the third-year plant biology ...