Dan Duriscoe NPS

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Chad Moore NPS Night Sky Program
Preserving Night Skies in National Parks for
visitors, wildlife, and future generations
Dan Duriscoe NPS
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Artificial Night Sky Brightness due to Light
Pollution. Cinzano, Falchi, and Elvidge 2001.
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NPS Night Sky Program Develop system to measure
night sky Quantify resource condition Share
data and scenery with public Assist parks in
retrofitting lights Partner with local
communities Compile ecological impact studies
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Big Bend National Park(Texas)
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Great SandDunes National Park (Colorado)
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Acadia National Park (Maine)
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Rocky Mountain National Park (Colorado)
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Mojave National Preserve (California)
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Colorado National Monument (Colorado)
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Walnut Canyon National Monument (Arizona)
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SaguaroNational Park(Arizona)
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Casa Grande RuinsNational Monument(Arizona)
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Wally Pacholka
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LED
MH
Incandescent
HPS
LPS
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Mitigation of Outdoor Lighting Use light only
WHERE you need it Use light only WHEN you need
it Direct all light DOWNWARD Use wildlife
friendly lighting (APPROPRIATE COLOR) Use the
right AMOUNT of light Use the most EFFICIENT
lamp
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In the summer of 1996 human habitation on Earth
made a subtle, uncelebrated passage from being
mostly rural to being mostly urban. More than
half of humans now live in cities. The natural
habitat of our species, then, officially, is
steel, pavement, street lights, architectureI
wonder how they will imagine the infinite when
they have never seen how the stars fill a dark
night sky. Barbara KingsolverSMALL WONDERS
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Thank You
Chad_Moore_at_nps.gov www.nature.nps.gov/air/lightsca
pes
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Mitigation of Outdoor Lighting in Parks
Use light only where you need it Use light
only when you need it Shield light and direct
light downward Use only the minimum brightness
necessary Use wildlife friendly (typically
yellow) lighting as a default Use the most
efficient lamp