M&M-eating bees produce multicolored honey

Beekeepers in north eastern France have been alarmed to find their bees producing honey in unnatural shades of green and blue. The beekeepers believe the source of the problem is a biogas plant close to Ribeauville in Alsace.

It is thought the bees have been eating the sugary waste from M&Ms, small chocolates in brightly-colored shells. The plant operator said it regretted the situation and had put in place a procedure to stop it happening again.

"We discovered the problem at the same time [the beekeepers] did. We quickly put in place a procedure to stop it," Philippe Meinrad, a spokesman from Agrivalor, the company operating the biogas plant said.

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The company, which deals with waste from a Mars chocolate factory , said it would clean out the containers, store all incoming waste in airtight containers and process it promptly. As for the honey, the beekeepers say it is unsellable.