how car pollution is stopping bees finding flowers

Car Pollution: The Unseen Barrier Between Bees and Blooms

Pollution emitted by vehicles has been found to significantly affect bees’ ability to locate flowers, according to research.

Elevated levels of ozone in the air result in a reduced distance that a flower’s scent can travel, consequently attracting fewer bees. Surprisingly, studies have observed a 50% decline in the number of visits bees made to flowers due to pollution.

But what happens when they can’t find the flowers they’re meant to pollinate? Research from the University of Birmingham and other esteemed institutions reveals a startling truth: car pollution is messing with bees’ flower-finding radar.

Let’s dive into the nitty-gritty of how our vehicles are putting these pollinators in a tight spot.

The Ozone Obstacle

Elevated levels of ozone in the air are shrinking the distance a flower’s scent can travel. This means fewer bees get the memo that a flower is nearby. Shockingly, pollution has led to a 50% drop in the number of bee visits to flowers. That’s half as many bees doing their essential pollination work!

The Science Behind the Scent

Through an experiment carried out in a large wind tunnel, researchers from the UK Centre for Ecology & Hydrology, as well as the Universities of Birmingham, Reading, Surrey, and Southern Queensland, sought to understand the effects of pollution on bees and pollination.

They simulated flower scents under various levels of pollution and found that ozone drastically interferes with the chemistry of the scent, causing the floral odour plumes to diminish.

Consequently, pollinators struggle to fulfil their essential role in the natural environment, with worrying implications for food security.

The most straightforward solution to this issue is through the reduction of air pollution, such as ground-level ozone and diesel exhaust emissions.

The Domino Effect

When bees struggle to find flowers, it’s not just a bee problem; it’s a human problem. Pollinators play a crucial role in our food security. Fewer bees mean fewer pollinated plants, which could lead to a food crisis.

The Solution: Clear the Air

The most straightforward fix? Cut down on air pollution. Reducing ground-level ozone and diesel exhaust emissions can make a world of difference for our buzzing friends.

Additional Resources

For the science buffs out there, we came across various informative links during our research on pollination and the role of atmospheric pollutants.

These sources include studies from the UK Centre for Ecology & Hydrology, the University of Birmingham, and insightful work by Dr. Ben Langford, an atmospheric scientist.

Notably, this research is supported by the Natural Environment Research Council under UK Research and Innovation. Professor Christian Pfrang’s team has been dedicated to mapping the potential effects of pollution on pollinators.

Please note that we cannot guarantee the content of these external sites.


Bees are more than just honey-makers; they’re vital cogs in the ecological and agricultural machine. By reducing car pollution, we’re not just clearing the air; we’re giving bees a fighting chance to keep our world blooming.

Want to do your part in protecting bees? Check out Revive a Bee’s campaigns and join the buzz to save these essential pollinators.

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