A new study, published on PLOS ONE, says aluminium, “one of the most significant environmental contaminant of recent times,” could be responsible for the pollinators’ decline.

Aluminium, a widely known ecotoxicant, has already been linked to the elimination of entire fish species due to acid in bodies of water, deforestation due to nutrient deficient soil, and crop production problems due to soil acidity.

typically do not avoid aluminium, which can be found in nectar, so that led researchers to collect pupae samples from colonies of naturally foraging bees that were then tested for aluminium content. The study led by Keele University’s Chris Exley and Ellen Rotheray and Dave Goulson of the University of Sussex found the pupae were heavily contaminated with aluminium.

Bees have pretty complex brains, and there’s evidence to support that there is a presence of memory, a high-level cognitive function. Although aluminium is considered a neurotoxin, and was initially linked to Alzheimer’s disease in humans, the Alzheimer’s Society in the United Kingdom advises a direct link has not been proven “despite continuing investigation.”

The findings are leaving the researchers to question whether high amounts of aluminium induced cognitive-dysfunction are another factor leading to the bees’ demise.

In May, the White House announced new steps to help support and protect the bee population, by supporting a measure that calls for the planting of bee-friendly flowers and plants at federal offices across the country.

The measure came after a task force started an investigation last June looking into why the bee population was in decline. The yearlong investigation called for a look into some pesticides and land-use practices that could possibly be harmful and jeopardize bees.

The beehive population has fallen since the 1940s — with honeybee colonies plummeting from 5 million to 2.5 million, according to the U.S. Department of Agriculture.

Whether it’s from a window box in your apartment, a garden in your backyard or a green space in your community, there’s something you can grow to help bees, no matter where you live. Check out the

Or limit the use of pesticides while plants are in bloom and bees are out foraging. Be careful whenever using pesticides, because they can also poison bees by drifting onto blooming plants or weeds. Reduced use can help prevent poisoning.




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