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The decline of bees has been in the headlines for several years, and theories to explain their deaths abound. But perhaps there is not just one single cause. University of California San Diego professor of biology James Nieh studies foraging, communication and health of bees. "I would say it's a combination of four factors; pesticides, disease, parasites, and human mismanagement," says Nieh. Bees might be weakened by having a very low level of exposure to insecticides or fungicides, making them more susceptible if they are attacked by viruses or parasites. "It's kind of like taking a patient who is not doing so well - very weak, poor diet, exposing them to pathogens, and then throwing more things at them. It's not surprising that honeybees are not very healthy."
One class of pesticides, neonicotinoids in particular has received a lot of attention for harming bees. In late 2010, the EPA came under fire from beekeepers and pesticide watchdog organizations. This happened when Colorado beekeeper Tom Theobald spoke out about how the EPA allowed clothianidin to be used without any proof it was safe and despite the fact that the EPA's own scientists believed it "has the potential for toxic risk to honey bees, as well as other pollinators."
. . . one parameter engineering has struck yet again.
Either/or minds trying to "fix" a both/and world . . .