2025 Heat Accumulation vs Rodent Prognostication
Each year, people gather at Gobbler's Knob in Pennsylvania to hear Punxsutawney Phil's prediction of what the next six weeks of weather will bring. This year, Phil predicted six more weeks of winter! But what does the science say? Read more
Are plant and animal species responding differently to climate change?
The advance in the timing of spring events is well documented in scientific research. However, changes have not been the same for all species and can even differ among populations of the same species in distinct locations. A team of researchers compiled an extensive dataset of phenology... Read more
An excerpt from Phenology (a book!) - available Mar 4
USA-NPN Director Theresa Crimmins' first book, Phenology, will be published as a part of the MIT Press Essential Knowledge series just in time for spring, on March 4! Read more









