Global warming really will make you sick

Timothy grass (Photo: Mary Jelks, University of Tulsa)

Timothy grass (Photo: Mary Jelks, University of Tulsa)

Get ready to sneeze. There’s another study out showing that your seasonal allergies will worsen as carbon dioxide levels rise. This one, due to be published in the peer-reviewed Environmental Health Perspectives today (May 13) finds that increasing levels of CO2 in the air drive increased production of fungal spores, including some associated with allergies and asthma.