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Environmental Shelter

Economics, Mechanics, Benefits and Ethics of Green Architecture
by

Alison Zetah

on 30 April 2012

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Transcript of Environmental Shelter

The Movement
Methods of Green Architecture
Economics of Green Architecture.
The Road to Green Living
Electronics

Sustainable Sewage
Reconstructions of freshwater wetland ecosystems to treat wastewater.
Compost
Organic matter that has been decomposed and recycled as fertilizer
Waste Disposal
"Green building" is the practice of designing and constructing environmentally and ecologically conscious and responsible structures.
Green Shelter
Economics, Mechanics, Benefits and Ethics of Green Architecture
Important Because:
Sustainable Development
When we conserve energy resources, our nation can enjoy cleaner air and a healthier environment, and we can help protect the climate by reducing green house gases while reducing costs. (EPA)
Green Home Movement Begins in the 1970s - Energy Crisis and Earth Day
Over the last 4 decades U.S. homes on average have become larger but are also more energy-efficient.
Appliances, heating, and cooling equipment more energy efficient.
Government Programs and incentives in place to encourage Green Architecture
LEED
?
LEED = Leadership in Energy and Environmental Design.
Created in 1998
Over 20,000 Projects in 30 countries
Element
Harvesting rainwater
Reduction of runoff
Using native plants
Sustainable wood for decks and fences
Irrigation
Planting for wind and shade protection
Chemical free pest management
Green roofs
Landscaping
House Size
•1970 – 1400 sq ft
•2009 – 2700 sq ft

Things to keep in mind
•Heating and Cooling
•Home improvement costs
•Time spent cleaning and maintenance
•Intimacy
•Live simpler
•Quality over quantity
•Market
Building Materials
Re-Using Paper
Making paper out of retired newspaper, fun for the whole family!
Stuffing for your packages
Use paper to absorb water in compost. It minimizes odors and protects against unwanted leaks
Recycled paper goes towards egg cartons, paper towels,
Green Activities
Cargo Containers
Earth Sheltered
Sod Roofs
Glass Homes
Insulated Concrete Forms
Rammed Earth
Alternate Green Homes
Geothermal Energy
Energy Sources
Geothermal reservoirs of hot water can be found a couple miles or more beneath the earth’s surface
A well is drilled into the reservoir to provide the hot water
Water is brought up into the geothermal heat pump system
Disposal system then injects the cooled water back underground or disposes of it on the surface
Used for heating buildings, raising plants in greenhouses, drying crops, heating water, etc…
Geothermal Heat Pump system
Heat Pump
Air Delivery System (Ductwork)
Heat Exchanger
System buried shallow in the ground near the building
Summer
Winter
Advantages
Renewable Resource
Environmentally Friendly
Cost effective
Disadvantages
Construction of power plants can affect land stability
Expensive initial costs
(Cheaper in long run)
Solar Energy
Passive
140 Page Document
Active
Passive Energy uses architectural design to convert sunlight directly into heat.
Building Orientation
Window Location
Overhangs
Active Solar Heating systems use mechanical equipment to convert sunlight into other forms of energy.
Solar Panels
Fans
Practicality of Solar Panels relies on location.
Excess Energy produced can either be stored in batteries or sent directly into the main energy grid.
Can produce energy credits for families.
Instead of depreciating in value over time- it continues to pay for itself.
Costs
Costs
Very High Short term costs, and a long payback period make this option less feasible for low income families.
Location also determines access to affordable solar materials.
Case Study:Passive Solar House Considerations
Building Orientation/Garage
Roof Overhang
Insulated Concrete Base
Fiberglass insulation/ Seems caulked
Ground Heat Pump. Energy efficient Appliance
These changes resulted in an increased price of $7,990 for the house with an average yearly saving of $826. Resulting in a payback period of about 10 years.
Base Cost is Much less than active solar energy.
Significant Planning must go into the design of the house beforehand.
Yearly Savings are less than an active solar house.
More affordable to mount panels on roof.
Incentives to go Green
Drawbacks
Social Class
Ethical Concerns
Government
Minnesota electrical offer rebates in nearly every county for homeowners who use energy star appliances and renewable energies.
Federal Tax credits are also available for certain energy saving projects.
Social Benefits
Certain standard of living associated with Green activities.
Economics
Long Term: Wealthier families can afford to wait for the long term cost benefits.
Short Term: Low income families cannot afford the costs to go completely green.
Often reflects on their home purchases as well.
Status
Going green is often seen as a upper class concern.
Location
Some Green activities are not optional or affordable based on the location of your home.
Affordability
The cost of certain things increase the further you are from the city.
Sustainable development/Consumption
Anthropocentric Implications - Future Generations of Humans, the loss of resources and rising cost. Reduces consumption without loss of comfort.
Biocentric - Destruction of the environment, unbalanced ecosystem, not living in harmony with environment.
Is sustainable living more anthropocentric, biocentric, or both?

Relates to overpopulation - learn to cut back on consumption in consumer societies.
Responsibility of personal consumers?
Understanding that over 1/3 of the world population accounts for less than 4% of worldwide consumption.
By recycling your waste, you reduce the amount of materials that need to be manufactured and, thus, reduce greenhouse gas emissions.
Materials and Structure
• Framing
• Foundation
• Insulation
• Windows
• External Siding
• Roofing
• Flooring
• Paint
• Counters, Cabinets & Trim
Simple Ways to improve Home Energy efficiency
• WaterSense labeled items
• Aerators to faucets
• Fluorescent bulbs
• Programmable thermostat
• Insulated attic and hatch
• Plug chimney flue
• Drain water heater sediments
• Replace washing machine, water heater, dishwasher, refrigerator hoses
• Insulate windows in winter and close shades in summer
Tiny House Trend
• Small House Society
• Small House Movement
http://www.brighthub.com/environment/green-living/articles/51601.aspx
http://www.eere.energy.gov/topics/homes.html
http://www.ahc.sa.gov.au/webdata/resources/images/Solar_Panels.bmp
http://www.eia.gov/consumption/residential/reports/2009overview.cfm
http://www.eia.gov/consumption/residential/reports/2009-square-footage.cfm
http://www.everblue.edu/leed-certification
http://www.floridastylehomes.net/wp-content/uploads/2011/08/Green-Homes-1.jpg
http://www.homesresult.com/wp-content/uploads/2010/09/Street-Front-Prefab-Green.jpg
http://www.trendir.com/green/nocal-green-dream-home-1.jpg
http://www.calfinder.com/blog/wp-content/uploads/2011/02/green-roof-insulation.jpg
http://www.renewableenergyworld.com/rea/tech/geoheatpumps
http://www.renewableenergyworld.com/rea/tech/geodirectuse
http://energyinformative.org/geothermal-energy-pros-and-cons/
http://www.iwantabetterhouse.com/geothermal.php
http://www.scientificamerican.com/article.cfm?id=iceland-geothermal-power&page=3
http://www.ehow.com/list_6575142_types-green-homes.html
Doiron, Matt. Energy performance, comfort, and lessons learned from a near net zero energy solar house. 2011
Zahran, Sammy. Greening local energy. 2008
Newell, Ty. Solar collection and use. 2011
Mathias, James A. Energy efficient, cost effective, passive solar house. 2009
Reduce Heating/Cooling
Turn off lights/unplug appliances
Control Water consumption
Recycle/ And encourage others to do so
Use eco products and natural cleaning supplies
Buy in bulk/ Products with less packaging
Need to "pattern the economic system on a circular rather than linear model" of consumption. (DesJardins)
Full transcript