11 Apr '11, 9am

Can you build a passivhaus using local materials? An interview with architect Justin Bere...

Can you build a passivhaus using local materials? An interview with architect Justin Bere...

The co-heating tests at the moment show that they get a little bit of sun and they hold on to that heat for 5 hours. That means that in the summer, in order to avoid overheating, you need retractable blinds, another cost. Our alternative design can be rationalised by saying well, there’s not very much sun so we’ve got super insulated walls, 400mm of insulation, there’s 600mm of insulation in the roof. These super insulated buildings can make a lot of use of the internal heat gains so we’re not getting much from outside, so let’s not bother much about the outside. The windows are a bit smaller – they’re still bright interiors with plenty of daylight, but make them smaller than the traditional passive house and because a 400mm thick wall is going to lose less heat than a triple glazed window even. So we concentrate on holding on to the internal gains from people, their pets,...

Full article: http://transitionculture.org/2011/04/11/the-local-passivh...

Tweets

Farmers markets opening in your area? Here's a guide to buying/storing

Farmers markets opening in your area? Here's a ...

mnn.com 09 Apr '11, 1pm

While the organic label means that food is grown or raised without pesticides or herbicides, it doesn’t necessarily mean t...

Transition in Action: a community garden for Wo...

transitionculture.org 11 Apr '11, 6am

Transition in Action: a community garden for Worthing Here’s a great short film from Worthing about their new community ga...

Rainwater tank materials

greenlivingtips.com 10 Apr '11, 10am

First published December 2007, updated April 2011 Drought is a part of normal life in many parts of the world and given th...

Cambodian prime minister cancels titanium mine project citing impact on biodiversity and local people

Cambodian prime minister cancels titanium mine ...

news.mongabay.com 11 Apr '11, 1am

Cambodians prevented from protesting destruction of their forest (03/10/2011) Cambodian villagers fighting to save their f...

Ecopreneur Interview Series: mod.skin labs: Mod.skin labs was born out of this need to bridge the gap between th...

Ecopreneur Interview Series: mod.skin labs: Mod...

ecopreneurist.com 11 Apr '11, 2pm

The most challenging experience of all, in the history of our 4 year old company, has been the global economic downturn. A...