Opening remarks provided by Linda Dobson, City of Portland BES.
2013 Ecoroof Symposium at the World Trade Conference Center, Portland, Oregon on May 2, 2013.

Video also includes audio message from Wolfgang Ansel, International Green Roof Association, and the announcement of Portland winning the 2013 IGRA Leadership Award.

2013 Ecoroof Symposium – Welcoming Remarks

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