According to Integrating Green and Gray: Creating Next-Generation Infrastructure, a 140-page report released on March 21, supplementing gray stormwater infrastructure with activities that enhance natural landscapes can provide a wider array of benefits at a lower cost than either green or gray infrastructure would deliver separately. The report outlines how water professionals, public officials, and budget managers can create and support effective green–gray treatment systems, drawing on a range of real-life examples from World Bank-funded projects.
