new videos
hot off the press!  
    more about rocket
mass heaters here.

more videos from
the PDC here.
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Time Lapse from 1984 to Today  RSS feed

 
Adrien Lapointe
steward
Posts: 3422
Location: Kingston, Canada (USDA zone 5a)
201
chicken dog food preservation forest garden fungi tiny house toxin-ectomy trees woodworking
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This is a really interesting interactive map where you can see the evolution of places over time with satellite images:

http://world.time.com/timelapse/
 
Switching from electric heat to a rocket mass heater reduces your carbon footprint as much as parking 7 cars. Tiny ad:
Video of all the permaculture design course and appropriate technology course (about 177 hours)
https://permies.com/wiki/65386/paul-wheaton/digital-market/Video-PDC-ATC-hours-HD
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