A new study published in Nature Communications reveals that climate change is significantly worsening seasonal allergies. Researchers found that rising temperatures and increased carbon dioxide levels have extended pollen seasons by up to 20 days per year in some regions. Additionally, pollen concentrations have surged by over 20% in the past three decades. The study highlights how earlier springs and prolonged warm periods allow plants to produce more pollen, exacerbating symptoms for allergy sufferers.
Urban areas are particularly affected due to the “heat island” effect, which amplifies pollen production. Allergists warn that this trend may lead to higher rates of asthma and other respiratory conditions, urging public health officials to consider allergy mitigation strategies in climate adaptation plans.
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