William Urschel Demonstrates his Wall Building Machine

Filmed in Valparaiso, Indiana in the late 1930’s, William Urschel demonstrates his “Wall Building” machine in this video. According to his patent application in 1944, this invention is a machine operable to mold a solidifiable material into the form of a strip and deposit the same as a course or layer in the formation of … Read more

Extremely Efficient Home in Alaska

A 2 bedrooms, 1 bathroom house designed and built by Dr. Tom Marsik and Kristin Donaldson of University of Alaska in Dillingham, Alaska earned World Record Academy‘s “2021 Green House of the Year” honor, after setting the world record for being the World’s Tightest Residential Building. “The main purpose of this world record is to … Read more

Guide to Solar Water Heater Systems

www.ecowatch.com has published a Guide to Solar Water Heater Systems that is quite informative. Solar hot water heaters are split into two broad categories: passive and active. Active systems require circulating pumps and passive systems rely on gravity to move water. So active systems require electricity and may use antifreeze to exchange the heat to … Read more

Students Build Net Zero House in Colorado

Gabriella “Gabi” Abello and Hannah Blake met as freshman roommates at the University of Colorado Boulder.  When they toured the Solar Decathlon showcase in Denver in 2017 they wondered why wasn’t CU involved? Nearly four years later, they led the CU team to the top award in the 2021 U.S. Department of Energy Solar Decathlon … Read more

A Natural Building Journey

Mother Earth News published a nice article written by Joe Silins about his journey as a natural builder and building his small straw bale guest house. The first paragraph reads: “Building my own straw bale guest house was the culmination of one journey and the beginning of another. After graduating from college in 2005 with … Read more

A Zero Fossil Fuel House in Massachusetts

Spartan Giordano was 28 years old when he designed and started building a zero fossil fuel energy home In Greenfield, Massachusetts. Two years later he and his partner Hannah got the occupancy permit on the very day their son, Max, was born. Nine years later Hannah and Spartan have a 2½-year-old daughter and Spartan has … Read more