Earlier Spring Arrival Impacts Agriculture and Ecosystems in the U.S.
Climate experts have observed that spring is arriving earlier across much of the United States, with significant implications for agriculture and ecosystems. According to the USA National Phenology Network, spring arrived three to five weeks earlier than average in the central U.S. and two to three weeks earlier in southern Midwest states. This trend, noted by Climate Central, has been ongoing since 1981, with leaves emerging six days earlier on average in 88% of major U.S. cities. The early arrival of spring can lead to ecological mismatches, such as birds migrating too soon and missing peak food availability, and can also pose financial risks to agriculture due to potential hard freezes following early leaf out. 
