This month, BNW had the opportunity to write about the benefits of green roofs. Not familiar? We now consider ourselves quasi-experts, so allow us to explain: While asphalt roofs have always been the most common simply due to their cost, nowadays, the idea of a roof with positive environmental impact is trumping the inexpensive option. Read this article to explore these green alternatives — from wood, composite or metal shingles to an actual living roof (our personal favorite).