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Politics : Rat's Nest - Chronicles of Collapse -- Ignore unavailable to you. Want to Upgrade?

To: Wharf Rat who wrote (8271)	7/24/2008 4:58:55 PM
From: Wharf Rat	Read Replies (1) \| Respond to of 24213

Natural air conditioning with sandwiches and a shake Albert Bates, The Great Change The heat index today in our part of Tennessee is 110°F (43°C), so if you want to get chores done outside, the best time is the morning. At 6:30 we convened our bleary-eyed but green-tea-infused permaculture workshop outdoors to work on the roof of the strawbale greenhouse, putting in a garden. It was a lovely 68°F (20°C), perfect weather for gardening. We are gradually in the process of greening up all of our roofs since we discovered to our delight that the indoor temperatures in structures we had built or retrofitted with green roofs were typically 15 degrees cooler than outside temperatures in the summer, as well as having enhanced insulation in winter. Only part of that summer effect is insulation. The other part is evaporation, or the transpiration of water from the roots to the leaves, dropping coolth into the building below. It's the same way your fridge works. We don't have very big construction budgets, so most our materials are harvested or scavenged locally. The basic technique is to build a sturdy roof (one which can support the weight of wet topsoil and the maximum snowload), and then install a "carpet sandwich."... (21 July 2008) peaksurfer.blogspot.com