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Greening the Grey: Green Infrastructure for Sustainable Development - Institutional Analysis

This 2013 report is one outcome of a multi-year project funded by the US Forest Service and completed in cooperation with the National Association of Regional Councils, with the goal of mapping and evaluating the support system for green infrastructure planning in the US – a system that has changed dramatically over the study period […]


  • The EPA announced their 2013 Green Infrastructure Strategic Agenda, building on previous 2008 and 2011 agendas
  • EPA's Green Infrastructure Program is launching a green infrastructure listserv, called GreenStream, to share training opportunities, newsletters, and publications. To join, please send an e-mail to the following address. #

Welcome to Greening the Gray

Just as we rely on functional gray infrastructure systems to provide the foundation of our society, we need healthy green infrastructure systems to provide the invaluable ecosystem services that healthy vibrant communities depend on. Green infrastructure refers to the systems of multifunctional ecological features and green spaces interwoven among our urbanizing regions that provide a valuable range of environmental, social, and economic benefits to people living and working there. This website is maintained by Virginia Tech's Center for Leadership in Global Sustainability and the National Association of Regional Councils with support from the US Forest Service as a portal and resource bank for information about green infrastructure in its broadest sense.

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