Nation
Global Warming: Something to Sneeze at
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As if deadlier storms, new diseases, compromised agriculture, rising sea levels and endangered polar bears weren’t enough to worry about, add hay fever to the list of global warming concerns. Studies show that allergy-related pollens are blooming sooner, for a longer period of time and in greater quantity as the climate warms, according to news reports. “It’s an incredibly complicated issue,” Dr. Martin Citardi, a specialist at the University of Texas Medical School in Houston, told the Houston Chronicle. “[T]here’s evidence that spring arrives today earlier than it did two or three decades ago,” he said. “That means that pollen levels are greater than they otherwise would be.”