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The Healing Power of Nature
Sun, Feb 15
|1906 Rittenhouse Square
Mountains of evidence back up a wonderful secret: nature heals. Literally. Trees emit chemicals that both calm us and even fight cancer, the color green relaxes us, our eyes crave the shapes of leaves and twigs, and natural sounds like bird songs even calm us.


Time & Location
Feb 15, 2026, 11:00 AM – 12:30 PM
1906 Rittenhouse Square, 1906 Rittenhouse Square, Philadelphia, PA 19103, USA
About the event
The Healing Power of Nature
Mountains of evidence back up a wonderful secret: nature heals. Literally. Trees emit chemicals that both calm us and even fight cancer, the color green relaxes us, our eyes crave the shapes of leaves and twigs, and natural sounds like bird songs even calm us. Amazingly, students even learn better in the outdoors. This talk will motivate you to get your daily dose of Vitamin N, nature.
Writer-naturalist Mike Weilbacher presents this illustrated lecture, filled with extraordinary studies like the one showing that patients who simply see a tree outside their hospital room get better faster-- and leave sooner. The author of Wild Philly: Explore the Amazing Nature in and Around Philadelphia, travels the region presenting walks and talks on nature and the environment, everything from climate change here in Philly to the near-miraculous migration of the monarch butterfly.
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Mike Weilbacher
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