Oct. 14, 2009
In a stormwater management and river protection plan experts hail for both vision and scope, Philadelphia may invest $1.6 billion within 20 years to tame the 14 billion gallons of rainwater that overflow its sewers each year and to become ''an oasis'' of rain gardens, green roofs, porous pavement, planted curb extensions, vegetated parking-lot swales and abundant new trees, reports Philadelphia Inquirer writer Sandy Bauers, quoting EPA Region 3 Water Protection Division Director Jon Capacasa, who said, ''This is the most significant use of green infrastructure I've seen in the country, the largest scale I've seen.''

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Source: Smart Growth Online