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David Holmgren

ontheearthproduction ontheearthproduction·253 videos
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Published on Apr 16, 2012

ecologist, ecological design engineer and writer. He is known as one of the co-originators of the permaculture concept.

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  • jody borland

    jody borland 1 month ago

    Fantastic and clear video.Thanks for posting.

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  • Frank Upstate NY

    Frank Upstate NY 2 months ago

    Dear David...where are some of your and Geoff's student's in NYS please, if any?

    Do you have any feelings regarding BioDiesel?

    Frank-

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  • Sean FitzGerald

    Sean FitzGerald 1 year ago

    Excellent video. Thanks for recording and posting.

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