Insulation: Cotton candy like material put in roofs and other places to prevent loss of heat and noise pollution.
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R-Value: measure of thermal resistance for all building materials (level of natural insulation of materials)

Renewable Energy: Energy acquired from a non-depleting source like the sun or wind.

Passive Solar Design: using the sun to heat or cool a building.

Active Solar Design: using the sun to generate renewable energy.

Photo-voltaic: A device that gives off electric currents to 2 substances

Geothermal: Heat produced by the Earth

Carbon Footprint: The total amount of greenhouse gases produced to directly and indirectly support human activities

Urban Heat Island: Is a city or metropolitan area that is significantly warmer than its surrounding rural areas due to human activities.

Greenhouse Effect: Is a warming of Earth's surface and the air above it.

Vernacular: The language or dialect in a region.

​Efficiency: Achieving maximum productivity.

Altitude Angle: is the distance an object appears to be above the horizon. The angle is measured up from the closest point on the horizon.

Azimuth Angle: of an object is the angular distance along the horizon to the location of the object. By convention, azimuth is measured from north towards the east along the horizon

Solar Time: Taking time based on the position of the sun.

​Sustainable (Not Structural Support): Maintain at certain level or rate 

Climatology: Scientific study of climate 

Ecology: Political movement that seeks to protect the environment from pollution  

​Biodiversity: variety of life in a place 

Bio-mimicry: design and production of materials structures and systems that are modeled 

Indigenous: originating in particular place 
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