ImpactAlpha, April 2 – Stormwater runoff from cities threatens water bodies worldwide. Washington, DC, in 2016 pioneered the use of “environmental impact bonds” to pay for open space, permeable pavement and other ways to capture and absorb rainwater. Such green infrastructure can be more cost-effective than massive pipes in managing and storing water during major storms. … Continue reading Atlanta and Baltimore going green with ‘environmental impact bonds’