Procure Products
in the Green Procurement CompilationLearn & Plan Topics
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Buildings and Health
The challenge for building design and operations is to identify and eliminate health risks while also providing positive physical, emotional, and...
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Circadian Light
Circadian rhythms are physiological processes that occur in the body approximately every 24-hours. Medical research has linked circadian disrup... -
The Importance of Daylight
While many people prefer to be in spaces with abundant daylight, a critical question is to what extent the benefits of daylight matter to those who ... -
Indoor Environmental Quality (IEQ)
Indoor Environmental Quality (IEQ) is most simply described as the conditions inside the building. It includes air qualit...
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Water Efficiency
Buildings are significant users of the Earth’s freshwater supply. The goal of a responsible building operator should be to encourage a sma...
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Sustainable Sites
Choosing a building's site and managing that site during construction are important to ensure a project’s sustainability. Environmentally r...
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Daylight Sufficiency Goal
The daylight sufficiency goal specifies the amount of daylight needed to provide adequate light to perform typical tasks appropriate to each space, without additional electric lighting. It is measured in lumens or foot-candles.
Find more from GSA's Saving Energy through Lighting and Daylighting Strategies resource.
Whole Building Systems
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Lighting - Energy Use
By consuming 17% of the building’s total electricity consumption and further influencing overall energy demand by the waste heat it emits, lig...
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IEQ - Daylight
An effective daylighting strategy sufficiently illuminates the building space without subjecting occupants to inconvenient glare or light level fluc...
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IEQ - Daylight / Views
Providing daylight access and views for occupants is important in reaching performance goals as part of the IEQ strategy. According to a study done ...
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Lighting - Green Tips
Allow optimal daylight penetration, orientating interior space layout accordingly.
Materials
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Daylight Controls
Daylight controls measure the amount of daylight/ambient light in a room and adjust the electric light levels accordingly. Daylight controls shou... -
Interior Light Shelves
Interior light shelves direct daylight deep into a space by bouncing natural light from the light-colored shelves up to the ceiling, where it is r... -
Clerestory Window
Clerestory windows allow daylight to penetrate into a space. They are designed to allow daylight to penetrate a space, and therefore are located ...