Chicago’s Green Alley Handbook

With approximately 1,900 miles of public alleys, Chicago has one of the most extensive and important pieces of infrastructure of any city in the world. That’s approximately 3,500 acres of paved impermeable surface that provides an opportunity to better manage resources and improve the…

How green is your alley?

In 2014, Detroit’s second-heaviest single-day rainfall ever caused flooding so major that people abandoned cars on the highway. The green alley didn’t hold a single puddle. Ever since, it’s been inspiring urban environmentalists. Sierra, the national magazine of the Sierra Club

Types of Green Infrastructure

“Green infrastructure is a cost-effective, resilient approach to managing wet weather impacts that provides many community benefits.” EPA.gov Image: Berwyn, IL “Tree City USA“