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.
Squeezing big box stores (and more people) into cities, living in a CO2 fog, and tallying up the value of green homes.
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

Our friend and mentor, Malcolm Lewis, has passed away Malcolm Lewis will be sorely missed.Photo Credit: Harvey Mudd College

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

How China is affecting the world’s photovoltaic industry

Workers at a Suntech factory in China. Due to the glut in PV, Suntech has closed a quarter of it's manufacturing capacity.Photo Credit: Peter Parks, Getty Images for the New York Times
Healthy purchasing in Oregon, why unfixable windows are a waste of money, when driving was a war crime, and more. Can we bring back the days when car pooling was patriotic?Photo Credit: American Legion

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?
The new Declare "nutrition label" and database will streamline the ardous task of finding Living Building Challenge-compliant products.
Wood smoke is still a guilty pleasure in the northern U.S. and Canada. But newer wood stove technologies produce less smoke—and less guilt. This gravity-fed pellet stove from Wiseway produces few emissions and uses no electricity.Photo Credit: Wiseway Pellet Stoves

Introducing the Resilient Design Institute: a new nonprofit organization that has been created in Brattleboro.
Watch the plants! There are limits to their growth, and ours. Also: data center showdown, cargo bikes, and satellite photos of economic injustice.

This simple system for recovering heat from wastewater makes a lot of sense—especially for families and commercial buildings that produce a lot of hot water.

by Alex Wilson

Over the past few weeks I’ve written about various strategies to produce hot water efficiently. We’ve seen that tankless water heaters are more efficient than storage water heaters (though are not without their drawbacks), and we’ve learned that heat-pump water heaters produce two to three times as much heat per unit of electricity consumed as electric water heaters that rely on electric resistance heat.

Sustainability might not come naturally to us, but maybe we’ll get past that if we can teach our children well. Minecraft helps kids in Kenya show how real places could be transformed.Photo Credit: FyreUK