Climate Change Prolongs Hay Fever Season
Analysis based on 17 articles · First reported Apr 10, 2026 · Last updated Apr 23, 2026
The report highlights significant health and economic vulnerabilities for Europe due to climate change and fossil fuel dependence, which could impact public budgets and necessitate investments in healthcare and clean energy. The under-resourcing of the United Kingdom — National Health Service for allergy care in the United Kingdom also points to potential future strain on public health systems.
A new review, the Lancet Countdown in Europe 2026 report, reveals that climate change has prolonged the hay fever season by one to two weeks compared to the 1990s, increasing exposure to allergens. This shift in flowering seasons for allergenic trees like birch, alder, and olive is causing more misery for sufferers and exacerbating conditions like asthma and COPD. Beyond hay fever, the report warns of intensifying health impacts across Europe, including a 318% increase in heat health warnings and a 297% rise in dengue outbreak risk. An estimated 62,000 deaths in Europe were attributed to heat in 2024 alone. The report also criticizes Europe's reliance on fossil fuels, linking it to economic and health vulnerabilities, and highlights that the United Kingdom — National Health Service in the United Kingdom is 'dramatically under-resourced' for allergy care, despite high allergy rates.
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