Should Moonlight be Warm?

Start Date
10/17/2018
End Date
10/17/2018
Description
Municipalities, like Seattle, have been changing the streetlights to LED. There are still high-pressure sodium source fixtures around, but gradually it is presumed that those will all change to LED as well. What do we think about the new nighttime environment? Do you like the cool, blue wash emanating from the streetlight on your block? Or maybe you live in more of a commercial district, and the lighting includes pedestrian-scale luminaires that may be warmer? Or, perhaps there is still a high-pressure sodium floodlight washing a parking lot near where you live? In Seattle, there is a push to change all the residential streetlights to 3000K instead of 4000K Correlated Color Temperature (CCT). The change hasn’t happened yet, but we’re told that it will. Utilities have the need to respond to customer complaints and the impact of the American Medical Association (AMA) Report, which is disputed by IES. Is this the right move? Do we really want warm, electric lighting bathing the nightscape outside our homes?
Location
Las Vegas, NV
Distance Learning
No
Course Equivalency
No
Subjects
Urban Planning & Design
Health, Safety and Welfare
No
Hours
1.0
Learning Outcomes
Learn about the AMA report, and the IES rebuttal that followed.
Review the common criticisms of LED fixtures.
Review the latest science-based findings.
Assess the design implications of warm light everywhere.
Instructors
CJ Brockway, IALD, LC, Principal, SparkLab Lighting Design
Website Registration
Course Codes
LSW18 S7
Provider
Exponation, LLC


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