Green Homes News

We had a few giant colonies of ants take over our gutted home these past few days. We used a spray on them, and while it killed the ants on…

Hi all,We are excavating for a 16x26 frost-protected monolithic slab on grade.  The site was a former slightly downhill sloping area that was built up with rock and concrete excavated…

I'm trying to seal a hard to reach area. I tried a 25 inch extended spray gun, but the large foam can gets in the way.Any tips on reaching far…

Hello all, Long time lurker first time poster haha. I have a best practice question. Context: Feel free to skip this if you just want the question below. One of my friends lives in an…

Hello,I am closing off a window in the basement and want to water proof the outside. Can I use Ice and Water dam material designed for roofs on the exterior…

Location: Graduate School of Design, Harvard University, Cambridge

In 1977, nine years after its initial release, Ray and Charles Eames issued an amended version of their experimental film Powers of Ten, incorporating two additional scales, and thereby effecting “a hundredfold increase—to each end of the journey into the universe, and to the return trip to the microstructure of the carbon atom in the human body.” Drawing on up-to-the-moment scientific developments at scales both extra-large and extra-small, seizing upon the power of then-novel media and representational techniques to appeal to very different audiences, and venturing well beyond the...

Read more about Cambridge Talks: Acts of Scaling

I have no experience in construction. Can anyone tell me ?

Not sure what category this question should be under:

Pay attention to installation details, and remember to include a rainscreen gap

Hey,See attached the plans I've been working on for our home addition. *They aren't complete yet*. I'm a contractor, worked for others before, just starting out on my own. I…

1. I was air sealing a cavity outside using dynaflex ultra. Ran out in the middle of the job. A few areas need a thicker bead. Can I apply new…

New residential construction, ICF lower level with open web floor trusses supporting the main floor above - I'm stuck in the middle of a "not my problem" battle between the…

Hello, I'm working on figuring out some of the remaining details of my design for an insulated roof assembly retrofit to an old cabin. The home is in Zone 5a…

I asked a similar question a while ago but got a little off-track and broad with my questions:https://www.greenbuildingadvisor.com/question/kraft-paper-vapor-barrier-vs-polyMy question is this: I have the wall cross section as shown in attached…

Location: Pierce Hall, Room 301, 29 Oxford Street, Cambridge

A Harvard-China Project Research Seminar with Rong Ma, Associate Professor, China Agricultural University; Alumnus (Visiting Fellow) and Collaborator, Harvard-China Project

This paper examines a solar subsidy program in China designed to alleviate poverty among rural households in the country’s most impoverished regions through solar resource development. The empirical findings indicate a substantial increase in firm entry in treated villages, accompanied by a marked structural transformation characterized by a reduction in self-employment and a shift in...

Read more about Powering a Just Transition: The Impacts of Place-Based Solar Expansion in Rural China

Location: Zoom & GCC E4, Gutman Conference Center, 6 Appian Way, Cambridge

Laura A. Schifter and Jonathan Klein highlight the many ways in which K-12 schools and students have tremendous potential to advance solutions on environmental issues, and they provide frameworks for enacting change, in Students, Schools, and Our Climate Moment. Schifter and Klein demonstrate how the effects of climate change intersect with US public schools on multiple levels—for example, schools must prepare students to face the challenges of an uncertain future, accommodate disruptions brought about by extreme weather...

Read more about Students, Schools, and Our Climate Moment

Hello,We are remodeling a room with an elevated floor that was once a horse barn but was remodeled sometime in the seventies.  Doing a bunch of airssealing and insulation.  Underneath,…

Hey, Im in coastal maine, 6a.  A couple of years ago I milled the red spruce up that I had on my land and I now have 175@ 18 foot…

Location: Real Colegio Complutense at Harvard University, 26 Trowbridge St., Cambridge

This is a special workshop organized by Real Colegio Complutense at Harvard University and Technical University of Madrid. University of Naples Federico II and representatives for the Spanish Government, among others are also co-organizers and attendees to the event.

Visit the event page for more...

Read more about Women and Girls in the Post-War and Post-Disaster Rebuilding of Peaceful, Sustainable Homes, Cities And Territories

Hi All, I've never lived with an ERV or HRV, I'm currently trying to choose an ERV. How convenient  is the Auto/self-balancing on something like the Broan AI series. My understanding…