“Whatever the cause is, it may effect much more than just bees,” Dr. Stone said. “The bees may be telling us of a much larger problem.” Little is known about the role, for example, that global warming may play in the picture. Warmer temperatures may have caused many of the plants that bees depend on for food to bloom a month earlier than they did in the 1970s. A National Academy of Sciences study has shown that all of our pollinators are on decline.
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