Green Building: An Exuberant World - Christine Ervin
7:19
Added: 3 years ago
From: EcoSpeakers
Views: 2,363
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  • Great speech about green building Christine Ervin

    outstandingfloors 11 months ago

  • like the clip. check out my home energy stuff using Rooftop Wind Turbines and solar panels on my roof. I just won a Green Design Contest with my product on EarthDay. Friends and Subscribers Welcome.

    Thanks, Sam

    WindPowerKits 1 year ago

  • we need green building

    stopglobalwarming08 3 years ago

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