“The unit takes one person two days to construct, one day to install, and costs under $100. The temperature inside the unit easily reaches 160 degrees Fahrenheit on a 50-degree day, and can be blown into the house using a fan that pulls less electricity than a light bulb.”
appropriate technology
Barrel Oven Planning
“I’ve already written a bit about my enthusiasm for ensuring we have something other than a camp stove and an open fire to cook on during the build of our house. I’ve done that before for large groups of people and I’m not keen to repeat the experience over longer than a weekend. It also seems fairly obvious that the key to ensuring we have willing and happy helpers is to keep them well fed (the whole build will go smoother with full bellies). So I don’t think it’s unreasonable to spend quite a bit of time and effort ensuring this is taken care of – I consider it good project management. One of our strategies is a barrel oven.
Solvatten Water Filter and Water Heater
“Solvatten: reducing deforestation, soil erosion and CO2 emissions
SOLVATTEN is a combined water treatment and solar water heater system typically used in situations where water resources are scarce and prone to contamination. It enables children and their families living without safe water to improve their quality of life. Built to last an entire childhood, the SOLVATTEN solution brings lasting change.
The Planet Fixer Digest
'The Man Who Stopped The Desert' trailer from 1080 Film & TV on Vimeo.
Hi to all of you, Planet Lovers!
Just wanted you to know that there is such a site that collects right-now solutions from around the world to fix, heal and improve our Planet Earth!
Here is the link: The Planet Fixer Digest
Bicycle Powered Chili Roaster
Here’s a new money generating idea that I haven’t seen anywhere. It wouldn’t be difficult to attach a chili roaster to a bicycle. The bicycle would serve two purposes – rotate the drum and transport you and the roaster to wherever you want to make sales.
Top 10 Cottage Industry Products
We covered cottage industry appropriate technology in a previous blog post. The aim here is to identify the top 10 products for ease of construction, impact on community and potential profitability. These products obviously go way beyond just creating jobs and making a buck. The products featured here will have a big impact on local communities. Some are saving thousands of lives. Water filters, for example, help prevent disease. Treadal pumps have enabled hundreds of thousands of farmers to greatly increase crop production.