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Sheila Colla

Sheila Colla

Sheila Colla is an associate professor in the Faculty of Environmental Studies at York University in Toronto. She coauthored "The Bumblebees of North America: An Identification Guide."

A bee covered in pollen sit atop a dandelion in a field of grass.

The surprising downside of #NoMowMay

Not cutting your lawn and letting dandelions grow for a month is touted as an easy way to help bees. But one-size-fits-all solutions don't work for conservation.