David Grefrath
[image_frame align="left" height="300" width="300" prettyphoto="false"]http://permacultureconvergence.com.webserver.vera.asdf456.com/wp-content/uploads/2016/08/David_Grefrath.jpg[/image_frame] David Grefrath has been learning from and helping communities in the Lower 9th Ward, New Orleans, Pine Ridge Sioux Indian Reservation & the Bay Area since 2007 by facilitating…