03 Dec '11, 11pm

Want to #SaveEnergy? Look at the insulation in your attic. You may need more if ceiling joists are visible. More:

Want to #SaveEnergy? Look at the insulation in your attic. You may need more if ceiling joists are visible. More:

Insulation level are specified by R-Value. R-Value is a measure of insulation’s ability to resist heat traveling through it. The higher the R-Value the better the thermal performance of the insulation. The table below shows what levels of insulation are cost-effective for different climates and locations in the home.

Full article: http://www.energystar.gov/index.cfm?c=home_sealing.hm_imp...

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Green Building Q&A: Garage/Attic insulation dilema

greenbuildingadvisor.com 30 Nov '11, 5am

I meant vapor retarder, referring to the kraft paper face on the batts. The actual insulation consists of R-38 batts on th...

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buildinggreen.com 01 Dec '11, 4pm

Product News from Environmental Building News New Chemical to Reduce Climate Impact of Foam Insulation By Paula Melton Hon...

Vaulted Ceiling Insulation #green

greenbuildingadvisor.com 23 Nov '11, 10pm

I am building a ranch house in RI. The house is 2400sqft, has SIP walls and is a slab on grade with radiant. My question c...

Is there a cumulative rvalue effect in ceiling ...

greenbuildingadvisor.com 24 Nov '11, 9pm

If I have an r30, cold roofed, thermally isolated, conditioned attic (400sqf, rarely used living space for guests) and r30...

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greenbuildingadvisor.com 03 Dec '11, 7pm

I know this has been covered before, but can not recover the threads after several searches. I have a project that is in t...

Supply placement in highly insulated home with ...

greenbuildingadvisor.com 04 Dec '11, 4pm

SETUP AS FOLLOWS: climate/region - Washington, DC, (More cooling days than heating) - Deep Remodel - R-45 roof - dense pac...

China may agree to binding CO2 cuts - envoy

sg.news.yahoo.com 03 Dec '11, 10am

DURBAN (Reuters) - China gave U.N. climate talks a lift on Friday by confirming it may sign up to a legally binding deal t...

Air Sealing an attic #green

greenbuildingadvisor.com 26 Nov '11, 12am

Getting ready to blow some insulation in my attic. the house was built in the 50's and walls/ceilings are the old 1/4" gyp...

insulating a cathedral ceiling #green

greenbuildingadvisor.com 26 Nov '11, 12am

I am trying to find an effective way to insulate a cathedral ceiling (with collar ties) in zone 5 south of Chicago. I have...

Green Building Q&A: How do I fix these insulati...

greenbuildingadvisor.com 05 Dec '11, 3pm

My home was built in 1998 and the design specifications and materials seem to be good quality: 2x6 wall framing, Tyvek, an...

Men, your WiFi may be zapping your sperm - Yahoo! via @yahoosg

Men, your WiFi may be zapping your sperm - Yaho...

sg.news.yahoo.com 04 Dec '11, 2am

Laptop computers with WiFi may be damaging men's sperm, at least according to a new study published last week in the journ...

FDA Responds: How Safe Are Arsenic Levels in Apple Juice?

FDA Responds: How Safe Are Arsenic Levels in Ap...

treehugger.com 03 Dec '11, 1pm

It was big news this week when Consumer Reports found excessively high levels of arsenic in apple and grape juice. The rep...

Webinar: How to make the right insulation choic...

buildinggreen.com 28 Nov '11, 9pm

BuildingGreen presents a FREE 1-Hour Webinar on Wednesday, December 7, 2011 2 p.m. EST To help professionals make the best...