Particulate matter, lead and other pollutants may play a role in the approximately 15 million babies born preterm every year around the world.
Researchers have determined that the Deformed Wing Virus has ravaged colonies worldwide. What's more, it's human activity that appears to have enabled that virus to spread.
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Nancy A. Youssef is a McClatchy reporter. Her email is email@example.com; and her Twitter is: @nancyayoussef
Mohamed Fadel Fahmy and Amina Ismail are McClatchy special correspondents.