Spray-polyurethane foam (SPF) insulation, growing in popularity, is under scrutiny from EPA. What's a homeowner or builder to do?

Originally published May 16, 2011. Updated by Paula Melton June 1, 2018.

A friend of mine used to be a long-haul truck driver. At one point he even became a trainer working with new drivers.

Over dinner recently, I asked what was one key lesson that he would want to impart to any new driver. While he was thinking about it, his wife lit up and offered this advice (which I'm sure is not from the company manual): make sure your seatbelt is removed before you begin a hot swap.

Crowd-sourced commentary enriches proposed rules for building well.

by Nadav Malin

I'm not sure if it was the topic or the all-star panel that drew a crowd to a session entitled "Beyond the Red List" at the recent Living Future conference in Vancouver.

Thomas Friedman argues that sustainable design is patriotic. Will non-choir members be convinced?

Posted the next day.

As Bourbon Street throbs beneath my hotel room window, it is a little hard to focus on anything else--and in my exhausted state it's all starting to get mixed up with Thomas Friedman's talk this morning.

With an intense focus on regional design and other green building issues, AIA 2011 looks to the future.

By HB Lozito

Ideas worth spreading have a way of crossing disciplines. At a recent TED event, HB Lozito found links to green building that may surprise you.

Like many other people, I have been lusting after attending a TED talk for the last several years. I tend to eat them up while on my lunch break. Or better still, if I can relate them directly to my work (which I often can) I even occasionally watch while actually at my desk. I am a person obsessed.

Enerconcepts' Lubi transpired solar air heating system uses perforated polycarbonate glazing to transfer solar energy into the space between a building exterior wall and the panel where it can be used to preheat ventilation air. Conserval's SolarWall was the pioneer in the transpired solar collector market, but innovations abound. How do the newer systems measure up?

We continue our primer on building responsibly in the post-carbon era: How do we design to honor and support nature's patterns, rather than co-opting them?

[Editor's note: Robert Riversong, a Vermont builder, continues his 10-part series of articles taking design and construction to what he sees as radical or "root" concerns. Enjoy--and please share your thoughts. – Tristan Roberts]

Biomass supporters cite it as a "green" fuel like wind and solar. Using it to generate electricity, though, leaves a lot to be desired in terms of public health and efficiency.

"On a scale from 1 to 10, how nice are you?"

Enter the greenwash-free zone with the webinar that answers your questions on what green labels really mean and which ones to trust.

Wed., May 18 | 3 p.m. ET Register now

Lots of big news from the 2011 Living Future event in Vancouver, including the winners of the Living City competition.

The 2011 Living Future "unconference" in Vancouver is a hopping, high-energy event. As usual, CEO, host, and MC Jason McLennan has set a high bar with his passion and willingness to push boundaries. Except Jason, all the keynote speakers this year are women, making it a little anticlimactic that the theme of next year's conference is the role of women in green building.

More than 10,000 Silva Cells were installed in downtown Minneapolis to support tree growth and help manage stormwater runoff. It's spring and time to get outside! GreenSpec looks at landscaping products that use recycled content, save water, reduce stormwater runoff, and even look good.

The preservationist wisdom is that a lot of energy--gallons and gallons of gasoline--is locked up in our historic buildings, and should be saved. It's time to update that wisdom.

A surreal magazine ad just got even more surreal for me.

Most ceiling fans come without lights, but energy-efficient light kits can usually be added. There are thousands of residential ceiling fans out there. GreenSpec picks three lines that outperform others on performance and efficiency.