Did you know motion sensor lights save money and provide better security than steady floodlights?
Light Pollution is Reversable!  In 2018, the City of Tucson, Arizona, U.S.A. (population 500,000) upgraded its streetlights. By doing so, it saved $2.2 million per year in energy costs and reduced light pollution by 7%
Outdoor lighting distrupts firefly reproduction. Reducing landscape lighting, and not leaving it on all night, can help! 
The City Council Declared April 21-28, 2025 International Dark Sky Week in Olivette!

​Join in the worldwide celebration of the night! We're hosting the Mobile Planetarium from Challenger Learning Center St Louis on Wed Apr 23 at Five Oaks on Warson from 5:00-8pm, no cost!

On Thurs Apr 24, the St Louis Astrological Society is is hosting a telescope viewing party at Stacy Park from 8:30-10pm.  Also free! 
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From the darkness needed for a good night’s sleep to the activitieswe enjoy under the stars, the night plays a vital role in safeguardinghealthy ecosystems and wildlife biodiversity, enhancing science
and exploration, preserving cultural knowledge, and so much more.

With artificial light at night increasing, dark skies worldwide arequickly fading—disrupting nocturnal habitats, diminishing our view of the stars, and changing our relationship to the night. We invite you to join us as we discover the night together, exploringits importance and the actions we can take to protect dark skies. Learn more at idsw.darksky.org
Did you know Stacy Park was Missouri's first and the world's fourth, certified Urban Night Sky Place??!! Join us for free star parties this year at Stacy Park! 
We're popular! 60 % of all North American songbirds and 40% of all North American waterfowl migrate through St Louis every year! 

View live Bird Migration here!