Scientists believe a combination of factors contributes to Colony Collapse Disorder, including habitat loss, parasites and viruses. But recent studies point to a common group of pesticides called neonicotinoids as a significant factor.
Paul Towers is with the Pesticide Action Network North America. He says current science suggests even low levels of pesticides can cause serious damage to bee colonies:
TOWERS: "While they may not kill the bees outright they suppress or depress their immune system, and make them vulnerable to a whole host of other factors, these other pathogens, the varroa mite, chief among them, and poor nutrition. It's this combination of factors that puts the honeybees at greatest risk."
Listen to Full Report | Capital Public Radio »