USA NPN National Phenology Network

Taking the Pulse of Our Planet

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USA National Phenology Network

The USA-NPN brings together citizen scientists, government agencies, non-profit groups, educators and students of all ages to monitor the impacts of climate change on plants and animals in the United States.
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April 15, 2019

American Spring LIVE is a three-night NATURE event that presents the change from winter to spring in real time from iconic locations across America. The show aired April 29-May 1 at 8 pm ET on PBS and Facebook. The full episodes can be viewed at The third and final episode on May 1st, "Connections", featured the USA-NPN's Track a Lilac project. This is a special project to invite the public to submit one-time observations of leafing and flowering in lilacs. After testing the waters of citizen science, interested participants are invited to join Nature's Notebook for long-term observations.

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