Flowers, allergies and groundhogs way early this year
Pollen is bursting. Critters are stirring. Buds are swelling. Biologists are worrying.
"The alarm clock that all the plants and animals are listening to is running too fast," Stanford University biologist Terry Root said.
Blame global warming.
The fingerprints of man-made climate change are evident in seasonal timing changes for thousands of species on Earth, according to dozens of studies and last year's authoritative report by the Nobel Prize-winning international climate scientists. More than 30 scientists told The Associated Press how global warming is affecting plants and animals at springtime across the country, in nearly every state.