One of the cleanest and most efficient ways to burn wood is provided by high-mass masonry heaters.
A Tulikivi masonry heater made of soapstone with an integral bake oven and bench.Photo Credit: Tulikivi
A flying saucer lands on Grand Central Station, buildings are reclaimed after heinous murders, and we gape in horror at global warming skepticism.
Close encounters of the baffling kind.Photo Credit: SOMHistoric preservation abducted by aliens
Since when are coal-burning power plants “consumers”? A look at NSF’s dubious recycling definitions.
BioCel carpet backing replaces petroleum-based polymers with those made from soybeans and contains Celceram fly ash as recycled content.Photo Credit: United Textile
Sometimes bikers have to improvise where to leave their bikes, but many common bike racks may be worse than nothing.
Bikers need wheel benders like a fish needs a bike lock.Photo Credit: forkergirl, October 28, 2002 via Flickr, Creative Commons Attribution.
LED replacement lamps look super-efficient on payback charts and utility bills, but they may be sucking more power than you realize.
LED replacement lamps like this one from Cree have a high power factor; those intended for residential use often don't. Photo Credit: Cree, Inc.
Understanding wood stoves and wood heat so that you can educate your clients.
Vermont Castings Encore-NC wood stove with an EPA emissions rating of 0.7 grams per hour. Click to enlarge.Photo Credit: Vermont Castings
The Third World in U.S. cities, the greenest mile ever built in Chicago, and transplanting a really big tree in Texas.
This historic oak tree is thriving in its new location after a Texas city moved it four months ago.Photo Credit: City of League City, Texas
Did you miss the live webcast? Get it here for free—and take a quiz for continuing education credits too.Guinea pigs everywhere want to know: do you know as much about toxic chemicals as a building professional should?