USA NPN National Phenology Network

Taking the Pulse of Our Planet

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The USA National Phenology Network

The USA National Phenology Network

We bring 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. Learn more about the USA-NPN

What is Phenology?

What is Phenology?

Phenology refers to key seasonal changes in plants and animals from year to year – such as flowering, emergence of insects and migration of birds – especially their timing and relationship with weather and climate.

Learn more about phenology

Phenology and Climate Change

Phenology and Climate Change

The ways in which the world is responding to climate change are not well understood. Phenology is a great indicator of current and future climate impacts on people, plants, animals and our natural areas.

Nature's Notebook

Nature's Notebook

Join amateur and professional naturalists in regularly observing plants and animals to generate long-term data sets used for scientific discovery and decision-making.

Get started with Nature's Notebook

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USA National Phenology Network

News

USA-NPN website homepage
USA-NPN Awarded the Shoemaker Award for Communication Products Excellence!

March 25, 2015

The USA-NPN website has been awarded the External Communications award in the "Internet Product Category" by the US Geological Survey. The award commends the design, layout and depth of information displayed by our website. We are honored to receive this award!

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Observers Needed

Springcasting mapSpringcasting highlighted in the news

Nature's Notebook observers are contributing to efforts to predict the start of spring in real-time! These predictions have wide applicability for tracking the start of the season across the continent. This article featured in today@ UWM describes the effort, and how you can get involved!

Find out more about Nature's Notebook »