Climate Change Means More Allergies
Bad news for 35 million allergy sufferers: ragweed, fungal spores and poison ivy are thriving due to rising carbon dioxide levels. Additionally, leaves fed by heightened levels of carbon dioxide enable fungi to reproduce more rapidly and spread more allergenic spores, leading to higher rates of allergies and asthma. Plant physiologist Lewis Ziska says, "Plant-based respiratory allergies are on the rise and increased levels of ragweed pollen are in the air. Climate change is affecting plants and human health, especially allergy sufferers." Climate change also affects allergen levels in homes, schools and offices. Not only are people allergic to outdoor allergies going to experience more symptoms, so are people with indoor allergies.read more