Q. Is honey from hives on New York Metropolis rooftops dangerous due to air pollution?
A. After a 30-year ban, protecting hives of honeybees was once more made authorized in New York Metropolis in 2010. Since then, there have been no stories in scientific journals of hurt to people from consuming their honey.
The healthfulness of city honey versus rural honey has been solely peripherally studied. Most researchers have centered on the survival of the bees themselves.
Bees accumulate traces of pesticide residues and heavy metals, and it has been recommended that they can be utilized as indicators of city air pollution ranges.
In a single small research in Vancouver, honey from the hives of 1 city operation was discovered to have low however secure ranges of varied contaminants, together with cadmium, copper, lead, arsenic and zinc.
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Many city beekeepers counsel that as a result of their bees forage for pollen and nectar away from large-scale agriculture, their honey may very well be extra healthful than that of bees buzzing about rural areas with closely fertilized crops.
However Scott McArt, a pollination knowledgeable within the division of entomology at Cornell College, recalled a research a number of years in the past of rooftop honeybee colonies in Manhattan.
Primarily based on the waggle dances that bees use to inform each other the place good pollen could be discovered, the researchers decided that almost all of them had been flying clear throughout the Hudson River to forage on flowers in New Jersey.