2022-23's record-warm Northern Hemisphere winter causes early spring, affecting agriculture, allergies, and fruit tree dormancy.

2022-23's record-warm Northern Hemisphere winter has led to an early spring, causing spring blooms and leaves to appear up to 2-3 weeks ahead of schedule. This affects agriculture and prolongs allergy seasons due to higher carbon dioxide concentrations leading to more pollen and stronger allergens. Warmer winters also disrupt fruit trees' natural dormancy, risking damage if late freezes occur.

March 16, 2024
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